mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 06:30:19 +00:00
49 lines
1.5 KiB
LLVM
49 lines
1.5 KiB
LLVM
|
; 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: _abs
|
||
|
|
%call = tail call arm_aapcscc i32 @abs(i32 %i) nounwind readnone
|
||
|
|
ret i32 %call
|
||
|
|
; CHECK: %[[ISPOS:.*]] = icmp sgt i32 %i, -1
|
||
|
|
; CHECK: %[[NEG:.*]] = sub i32 0, %i
|
||
|
|
; CHECK: %[[RET:.*]] = select i1 %[[ISPOS]], i32 %i, i32 %[[NEG]]
|
||
|
|
; CHECK: ret i32 %[[RET]]
|
||
|
|
}
|
||
|
|
|
||
|
|
declare arm_aapcscc i32 @abs(i32) nounwind readnone
|
||
|
|
|
||
|
|
define arm_aapcscc i32 @_labs(i32 %i) nounwind readnone {
|
||
|
|
; CHECK: _labs
|
||
|
|
%call = tail call arm_aapcscc i32 @labs(i32 %i) nounwind readnone
|
||
|
|
ret i32 %call
|
||
|
|
; CHECK: %[[ISPOS:.*]] = icmp sgt i32 %i, -1
|
||
|
|
; CHECK: %[[NEG:.*]] = sub i32 0, %i
|
||
|
|
; CHECK: %[[RET:.*]] = select i1 %[[ISPOS]], i32 %i, i32 %[[NEG]]
|
||
|
|
; CHECK: ret i32 %[[RET]]
|
||
|
|
}
|
||
|
|
|
||
|
|
declare arm_aapcscc i32 @labs(i32) nounwind readnone
|
||
|
|
|
||
|
|
define arm_aapcscc i32 @_strlen1() {
|
||
|
|
; CHECK: _strlen1
|
||
|
|
%call = tail call arm_aapcscc i32 @strlen(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0))
|
||
|
|
ret i32 %call
|
||
|
|
; CHECK: ret i32 3
|
||
|
|
}
|
||
|
|
|
||
|
|
declare arm_aapcscc i32 @strlen(i8*)
|
||
|
|
|
||
|
|
define arm_aapcscc zeroext i1 @_strlen2(i8* %str) {
|
||
|
|
; CHECK: _strlen2
|
||
|
|
%call = tail call arm_aapcscc i32 @strlen(i8* %str)
|
||
|
|
%cmp = icmp ne i32 %call, 0
|
||
|
|
ret i1 %cmp
|
||
|
|
|
||
|
|
; CHECK: %[[STRLENFIRST:.*]] = load i8* %str
|
||
|
|
; CHECK: %[[CMP:.*]] = icmp ne i8 %[[STRLENFIRST]], 0
|
||
|
|
; CHECK: ret i1 %[[CMP]]
|
||
|
|
}
|