forked from OSchip/llvm-project
54 lines
1.7 KiB
LLVM
54 lines
1.7 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; 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 {
|
||
|
|
; CHECK-LABEL: @_abs(
|
||
|
|
; 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]]
|
||
|
|
;
|
||
|
|
%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 {
|
||
|
|
; CHECK-LABEL: @_labs(
|
||
|
|
; 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]]
|
||
|
|
;
|
||
|
|
%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() {
|
||
|
|
; CHECK-LABEL: @_strlen1(
|
||
|
|
; CHECK-NEXT: ret i32 3
|
||
|
|
;
|
||
|
|
%call = tail call arm_aapcscc i32 @strlen(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0))
|
||
|
|
ret i32 %call
|
||
|
|
}
|
||
|
|
|
||
|
|
declare arm_aapcscc i32 @strlen(i8*)
|
||
|
|
|
||
|
|
define arm_aapcscc zeroext i1 @_strlen2(i8* %str) {
|
||
|
|
; 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]]
|
||
|
|
;
|
||
|
|
%call = tail call arm_aapcscc i32 @strlen(i8* %str)
|
||
|
|
%cmp = icmp ne i32 %call, 0
|
||
|
|
ret i1 %cmp
|
||
|
|
}
|
||
|
|
|