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llvm-project/llvm/test/Transforms/SCCP/atomic-load-store.ll

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Add tests for the transformations SCCP can do on atomic loads and stores (which are safe without any modifications). llvm-svn: 138902
2011-09-01 05:37:06 +08:00
; RUN: opt < %s -ipsccp -S | FileCheck %s
; This transformation is safe for atomic loads and stores; check that it works.
@G = internal global i32 17
@C = internal constant i32 222
define i32 @test1() {
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 llvm-svn: 230794
2015-02-28 05:17:42 +08:00
%V = load atomic i32, i32* @G seq_cst, align 4
Add tests for the transformations SCCP can do on atomic loads and stores (which are safe without any modifications). llvm-svn: 138902
2011-09-01 05:37:06 +08:00
%C = icmp eq i32 %V, 17
br i1 %C, label %T, label %F
T:
store atomic i32 17, i32* @G seq_cst, align 4
ret i32 %V
F:
store atomic i32 123, i32* @G seq_cst, align 4
ret i32 0
}
Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change. This conversion was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP done mv $TEMP $NAME fi done llvm-svn: 186269
2013-07-14 09:50:49 +08:00
; CHECK-LABEL: define i32 @test1(
Add tests for the transformations SCCP can do on atomic loads and stores (which are safe without any modifications). llvm-svn: 138902
2011-09-01 05:37:06 +08:00
; CHECK-NOT: store
; CHECK: ret i32 17
define i32 @test2() {
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 llvm-svn: 230794
2015-02-28 05:17:42 +08:00
%V = load atomic i32, i32* @C seq_cst, align 4
Add tests for the transformations SCCP can do on atomic loads and stores (which are safe without any modifications). llvm-svn: 138902
2011-09-01 05:37:06 +08:00
ret i32 %V
}
Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change. This conversion was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP done mv $TEMP $NAME fi done llvm-svn: 186269
2013-07-14 09:50:49 +08:00
; CHECK-LABEL: define i32 @test2(
Add tests for the transformations SCCP can do on atomic loads and stores (which are safe without any modifications). llvm-svn: 138902
2011-09-01 05:37:06 +08:00
; CHECK-NOT: load
Add missing newline. llvm-svn: 138964
2011-09-02 05:20:11 +08:00
; CHECK: ret i32 222