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llvm-project/llvm/test/Transforms/InstCombine/call-callconv.ll

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[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
[SimplifyLibCalls] Library call simplification doen't work if the call site isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 llvm-svn: 174724
2013-02-09 02:00:14 +08:00
; RUN: opt < %s -instcombine -S | FileCheck %s
; Verify that the non-default calling conv doesn't prevent the libcall simplification
@.str = private unnamed_addr constant [4 x i8] c"abc\00", align 1
define arm_aapcscc i32 @_abs(i32 %i) nounwind readnone {
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
; CHECK-LABEL: @_abs(
[InstCombine] use nsw negation for abs libcalls Also, produce the canonical IR abs (s<0) to be more efficient. This is the libcall equivalent of the clang builtin change from: rL333038 Pasting from that commit message: The stdlib functions are defined in section 7.20.6.1 of the C standard with: "If the result cannot be represented, the behavior is undefined." That lets us mark the negation with 'nsw' because "sub i32 0, INT_MIN" would be UB/poison. llvm-svn: 333042
2018-05-23 07:29:40 +08:00
; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[I:%.*]], 0
; CHECK-NEXT: [[NEG:%.*]] = sub nsw i32 0, [[I]]
; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[NEG]], i32 [[I]]
; CHECK-NEXT: ret i32 [[TMP2]]
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
;
[SimplifyLibCalls] Library call simplification doen't work if the call site isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 llvm-svn: 174724
2013-02-09 02:00:14 +08:00
%call = tail call arm_aapcscc i32 @abs(i32 %i) nounwind readnone
ret i32 %call
}
declare arm_aapcscc i32 @abs(i32) nounwind readnone
define arm_aapcscc i32 @_labs(i32 %i) nounwind readnone {
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
; CHECK-LABEL: @_labs(
[InstCombine] use nsw negation for abs libcalls Also, produce the canonical IR abs (s<0) to be more efficient. This is the libcall equivalent of the clang builtin change from: rL333038 Pasting from that commit message: The stdlib functions are defined in section 7.20.6.1 of the C standard with: "If the result cannot be represented, the behavior is undefined." That lets us mark the negation with 'nsw' because "sub i32 0, INT_MIN" would be UB/poison. llvm-svn: 333042
2018-05-23 07:29:40 +08:00
; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[I:%.*]], 0
; CHECK-NEXT: [[NEG:%.*]] = sub nsw i32 0, [[I]]
; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[NEG]], i32 [[I]]
; CHECK-NEXT: ret i32 [[TMP2]]
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
;
[SimplifyLibCalls] Library call simplification doen't work if the call site isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 llvm-svn: 174724
2013-02-09 02:00:14 +08:00
%call = tail call arm_aapcscc i32 @labs(i32 %i) nounwind readnone
ret i32 %call
}
declare arm_aapcscc i32 @labs(i32) nounwind readnone
define arm_aapcscc i32 @_strlen1() {
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
; CHECK-LABEL: @_strlen1(
; CHECK-NEXT: ret i32 3
;
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator Similar to gep (r230786) and load (r230794) changes. Similar migration script can be used to update test cases, which successfully migrated all of LLVM and Polly, but about 4 test cases needed manually changes in Clang. (this script will read the contents of stdin and massage it into stdout - wrap it in the 'apply.sh' script shown in previous commits + xargs to apply it over a large set of test cases) import fileinput import sys import re rep = re.compile(r"(getelementptr(?:\s+inbounds)?\s*\()((<\d*\s+x\s+)?([^@]*?)(|\s*addrspace\(\d+\))\s*\*(?(3)>)\s*)(?=$|%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|zeroinitializer|<|\[\[[a-zA-Z]|\{\{)", re.MULTILINE | re.DOTALL) def conv(match): line = match.group(1) line += match.group(4) line += ", " line += match.group(2) return line line = sys.stdin.read() off = 0 for match in re.finditer(rep, line): sys.stdout.write(line[off:match.start()]) sys.stdout.write(conv(match)) off = match.end() sys.stdout.write(line[off:]) llvm-svn: 232184
2015-03-14 02:20:45 +08:00
%call = tail call arm_aapcscc i32 @strlen(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0))
[SimplifyLibCalls] Library call simplification doen't work if the call site isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 llvm-svn: 174724
2013-02-09 02:00:14 +08:00
ret i32 %call
}
declare arm_aapcscc i32 @strlen(i8*)
define arm_aapcscc zeroext i1 @_strlen2(i8* %str) {
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00
; CHECK-LABEL: @_strlen2(
; CHECK-NEXT: [[STRLENFIRST:%.*]] = load i8, i8* [[STR:%.*]], align 1
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[STRLENFIRST]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
[SimplifyLibCalls] Library call simplification doen't work if the call site isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 llvm-svn: 174724
2013-02-09 02:00:14 +08:00
%call = tail call arm_aapcscc i32 @strlen(i8* %str)
%cmp = icmp ne i32 %call, 0
ret i1 %cmp
}
[InstCombine] move misplaced test file and regenerate checks; NFC llvm-svn: 333039
2018-05-23 07:15:56 +08:00