2014-07-18 23:51:28 +08:00
|
|
|
; RUN: opt -S -basicaa -licm < %s | FileCheck %s
|
2017-01-21 11:48:51 +08:00
|
|
|
; RUN: opt -aa-pipeline=basic-aa -passes='require<opt-remark-emit>,loop(simplify-cfg,licm)' -S < %s | FileCheck %s
|
|
|
|
|
|
2014-07-18 23:51:28 +08:00
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
|
|
|
|
|
|
; This test represents the following function:
|
|
|
|
|
; void test1(int * __restrict__ a, int * __restrict__ b, int &c, int n) {
|
|
|
|
|
; for (int i = 0; i < n; ++i)
|
|
|
|
|
; if (a[i] > 0)
|
|
|
|
|
; a[i] = c*b[i];
|
|
|
|
|
; }
|
|
|
|
|
; and we want to hoist the load of %c out of the loop. This can be done only
|
|
|
|
|
; because the dereferenceable attribute is on %c.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test1
|
2015-02-28 05:17:42 +08:00
|
|
|
; CHECK: load i32, i32* %c, align 4
|
2014-07-18 23:51:28 +08:00
|
|
|
; CHECK: for.body:
|
|
|
|
|
|
|
|
|
|
define void @test1(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readonly nonnull dereferenceable(4) %c, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
2014-07-18 23:51:28 +08:00
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
2015-02-28 05:17:42 +08:00
|
|
|
%1 = load i32, i32* %c, align 4
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
2014-07-18 23:51:28 +08:00
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; This is the same as @test1, but without the dereferenceable attribute on %c.
|
|
|
|
|
; Without this attribute, we should not hoist the load of %c.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test2
|
|
|
|
|
; CHECK: if.then:
|
2015-02-28 05:17:42 +08:00
|
|
|
; CHECK: load i32, i32* %c, align 4
|
2014-07-18 23:51:28 +08:00
|
|
|
|
|
|
|
|
define void @test2(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readonly nonnull %c, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
2014-07-18 23:51:28 +08:00
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
2015-02-28 05:17:42 +08:00
|
|
|
%1 = load i32, i32* %c, align 4
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
2014-07-18 23:51:28 +08:00
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
2014-07-19 11:25:16 +08:00
|
|
|
; This test represents the following function:
|
|
|
|
|
; void test3(int * restrict a, int * restrict b, int c[static 3], int n) {
|
|
|
|
|
; for (int i = 0; i < n; ++i)
|
|
|
|
|
; if (a[i] > 0)
|
|
|
|
|
; a[i] = c[2]*b[i];
|
|
|
|
|
; }
|
|
|
|
|
; and we want to hoist the load of c[2] out of the loop. This can be done only
|
|
|
|
|
; because the dereferenceable attribute is on %c.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test3
|
2015-02-28 05:17:42 +08:00
|
|
|
; CHECK: load i32, i32* %c2, align 4
|
2014-07-19 11:25:16 +08:00
|
|
|
; CHECK: for.body:
|
|
|
|
|
|
|
|
|
|
define void @test3(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readonly dereferenceable(12) %c, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
2014-07-19 11:25:16 +08:00
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%c2 = getelementptr inbounds i32, i32* %c, i64 2
|
2015-02-28 05:17:42 +08:00
|
|
|
%1 = load i32, i32* %c2, align 4
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
2014-07-19 11:25:16 +08:00
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; This is the same as @test3, but with a dereferenceable attribute on %c with a
|
|
|
|
|
; size too small to cover c[2] (and so we should not hoist it).
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test4
|
|
|
|
|
; CHECK: if.then:
|
2015-02-28 05:17:42 +08:00
|
|
|
; CHECK: load i32, i32* %c2, align 4
|
2014-07-19 11:25:16 +08:00
|
|
|
|
|
|
|
|
define void @test4(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readonly dereferenceable(11) %c, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
2014-07-19 11:25:16 +08:00
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%c2 = getelementptr inbounds i32, i32* %c, i64 2
|
2015-02-28 05:17:42 +08:00
|
|
|
%1 = load i32, i32* %c2, align 4
|
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
llvm-svn: 230786
2015-02-28 03:29:02 +08:00
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
2015-02-28 05:17:42 +08:00
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
2014-07-19 11:25:16 +08:00
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
2015-05-19 02:07:00 +08:00
|
|
|
; This test represents the following function:
|
|
|
|
|
; void test1(int * __restrict__ a, int *b, int &c, int n) {
|
|
|
|
|
; if (c != null)
|
|
|
|
|
; for (int i = 0; i < n; ++i)
|
|
|
|
|
; if (a[i] > 0)
|
|
|
|
|
; a[i] = c*b[i];
|
|
|
|
|
; }
|
|
|
|
|
; and we want to hoist the load of %c out of the loop. This can be done only
|
|
|
|
|
; because the dereferenceable_or_null attribute is on %c and there is a null
|
|
|
|
|
; check on %c.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test5
|
|
|
|
|
; CHECK: load i32, i32* %c, align 4
|
|
|
|
|
; CHECK: for.body:
|
|
|
|
|
|
|
|
|
|
define void @test5(i32* noalias %a, i32* %b, i32* dereferenceable_or_null(4) %c, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%not_null = icmp ne i32* %c, null
|
|
|
|
|
br i1 %not_null, label %not.null, label %for.end
|
|
|
|
|
|
|
|
|
|
not.null:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %not.null, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %not.null ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry, %not.null
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; This is the same as @test5, but without the null check on %c.
|
|
|
|
|
; Without this check, we should not hoist the load of %c.
|
|
|
|
|
|
|
|
|
|
; This test case has an icmp on c but the use of this comparison is
|
|
|
|
|
; not a branch.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test6
|
|
|
|
|
; CHECK: if.then:
|
|
|
|
|
; CHECK: load i32, i32* %c, align 4
|
|
|
|
|
|
|
|
|
|
define i1 @test6(i32* noalias %a, i32* %b, i32* dereferenceable_or_null(4) %c, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%not_null = icmp ne i32* %c, null
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret i1 %not_null
|
|
|
|
|
}
|
|
|
|
|
|
2015-05-20 04:10:19 +08:00
|
|
|
; This test represents the following function:
|
|
|
|
|
; void test1(int * __restrict__ a, int *b, int **cptr, int n) {
|
|
|
|
|
; c = *cptr;
|
|
|
|
|
; for (int i = 0; i < n; ++i)
|
|
|
|
|
; if (a[i] > 0)
|
|
|
|
|
; a[i] = (*c)*b[i];
|
|
|
|
|
; }
|
|
|
|
|
; and we want to hoist the load of %c out of the loop. This can be done only
|
|
|
|
|
; because the dereferenceable meatdata on the c = *cptr load.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test7
|
|
|
|
|
; CHECK: load i32, i32* %c, align 4
|
|
|
|
|
; CHECK: for.body:
|
|
|
|
|
|
|
|
|
|
define void @test7(i32* noalias %a, i32* %b, i32** %cptr, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%c = load i32*, i32** %cptr, !dereferenceable !0
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; This test represents the following function:
|
|
|
|
|
; void test1(int * __restrict__ a, int *b, int **cptr, int n) {
|
|
|
|
|
; c = *cptr;
|
|
|
|
|
; if (c != null)
|
|
|
|
|
; for (int i = 0; i < n; ++i)
|
|
|
|
|
; if (a[i] > 0)
|
|
|
|
|
; a[i] = (*c)*b[i];
|
|
|
|
|
; }
|
|
|
|
|
; and we want to hoist the load of %c out of the loop. This can be done only
|
|
|
|
|
; because the dereferenceable_or_null meatdata on the c = *cptr load and there
|
|
|
|
|
; is a null check on %c.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test8
|
|
|
|
|
; CHECK: load i32, i32* %c, align 4
|
|
|
|
|
; CHECK: for.body:
|
|
|
|
|
|
|
|
|
|
define void @test8(i32* noalias %a, i32* %b, i32** %cptr, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%c = load i32*, i32** %cptr, !dereferenceable_or_null !0
|
|
|
|
|
%not_null = icmp ne i32* %c, null
|
|
|
|
|
br i1 %not_null, label %not.null, label %for.end
|
|
|
|
|
|
|
|
|
|
not.null:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %not.null, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %not.null ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry, %not.null
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; This is the same as @test8, but without the null check on %c.
|
|
|
|
|
; Without this check, we should not hoist the load of %c.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test9
|
|
|
|
|
; CHECK: if.then:
|
|
|
|
|
; CHECK: load i32, i32* %c, align 4
|
|
|
|
|
|
|
|
|
|
define void @test9(i32* noalias %a, i32* %b, i32** %cptr, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%c = load i32*, i32** %cptr, !dereferenceable_or_null !0
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
2014-07-18 23:51:28 +08:00
|
|
|
|
2015-05-20 04:10:19 +08:00
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
2015-11-18 22:50:18 +08:00
|
|
|
; In this test we should be able to only hoist load from %cptr. We can't hoist
|
|
|
|
|
; load from %c because it's dereferenceability can depend on %cmp1 condition.
|
|
|
|
|
; By moving it out of the loop we break this dependency and can not rely
|
|
|
|
|
; on the dereferenceability anymore.
|
|
|
|
|
; In other words this test checks that we strip dereferenceability metadata
|
|
|
|
|
; after hoisting an instruction.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test10
|
|
|
|
|
; CHECK: %c = load i32*, i32** %cptr
|
|
|
|
|
; CHECK-NOT: dereferenceable
|
|
|
|
|
; CHECK: if.then:
|
|
|
|
|
; CHECK: load i32, i32* %c, align 4
|
|
|
|
|
|
|
|
|
|
define void @test10(i32* noalias %a, i32* %b, i32** dereferenceable(8) %cptr, i32 %n) #0 {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%c = load i32*, i32** %cptr, !dereferenceable !0
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
2016-01-28 23:51:58 +08:00
|
|
|
define void @test11(i32* noalias %a, i32* %b, i32** dereferenceable(8) %cptr, i32 %n) #0 {
|
|
|
|
|
; CHECK-LABEL: @test11(
|
|
|
|
|
entry:
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
; CHECK: for.body.preheader:
|
|
|
|
|
; CHECK: %c = load i32*, i32** %cptr, !dereferenceable !0
|
|
|
|
|
; CHECK: %d = load i32, i32* %c, align 4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
%c = load i32*, i32** %cptr, !dereferenceable !0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%d = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%e = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %e, %d
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
2016-05-10 10:35:44 +08:00
|
|
|
declare void @llvm.experimental.guard(i1, ...)
|
|
|
|
|
|
|
|
|
|
define void @test12(i32* noalias %a, i32* %b, i32* dereferenceable_or_null(4) %c, i32 %n) #0 {
|
|
|
|
|
; Prove non-null ness of %c via a guard, not a branch.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test12(
|
|
|
|
|
entry:
|
|
|
|
|
%not_null = icmp ne i32* %c, null
|
|
|
|
|
call void(i1, ...) @llvm.experimental.guard(i1 %not_null) [ "deopt"() ]
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
; CHECK: for.body.preheader:
|
|
|
|
|
; CHECK-NEXT: [[VAL:%[^ ]]] = load i32, i32* %c, align 4
|
|
|
|
|
; CHECK-NEXT: br label %for.body
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry, %entry
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
define void @test13(i32* noalias %a, i32* %b, i32* dereferenceable_or_null(4) %c, i32 %n) #0 {
|
|
|
|
|
; Like @test12, but has a post-dominating guard, which cannot be used
|
|
|
|
|
; to prove %c is nonnull at the point of the load.
|
|
|
|
|
|
|
|
|
|
; CHECK-LABEL: @test13(
|
|
|
|
|
entry:
|
|
|
|
|
%not_null = icmp ne i32* %c, null
|
|
|
|
|
%cmp11 = icmp sgt i32 %n, 0
|
|
|
|
|
br i1 %cmp11, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
; CHECK: for.body.preheader:
|
|
|
|
|
; CHECK-NOT: load i32, i32* %c
|
|
|
|
|
; CHECK: br label %for.body
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %entry, %for.inc
|
|
|
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
|
|
|
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
|
|
|
%cmp1 = icmp sgt i32 %0, 0
|
|
|
|
|
br i1 %cmp1, label %if.then, label %for.inc
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %for.body
|
|
|
|
|
; CHECK: if.then:
|
|
|
|
|
; CHECK: load i32, i32* %c
|
|
|
|
|
; CHECK: br label %for.inc
|
|
|
|
|
%1 = load i32, i32* %c, align 4
|
|
|
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
|
|
|
|
|
%2 = load i32, i32* %arrayidx3, align 4
|
|
|
|
|
%mul = mul nsw i32 %2, %1
|
|
|
|
|
store i32 %mul, i32* %arrayidx, align 4
|
|
|
|
|
br label %for.inc
|
|
|
|
|
|
|
|
|
|
for.inc: ; preds = %for.body, %if.then
|
|
|
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
|
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
|
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.inc, %entry, %entry
|
|
|
|
|
call void(i1, ...) @llvm.experimental.guard(i1 %not_null) [ "deopt"() ]
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
2015-05-20 04:10:19 +08:00
|
|
|
attributes #0 = { nounwind uwtable }
|
|
|
|
|
!0 = !{i64 4}
|