forked from OSchip/llvm-project
32 lines
667 B
LLVM
32 lines
667 B
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt < %s -instcombine -inline -S | FileCheck %s
|
||
|
|
; PR3142
|
||
|
|
|
||
|
|
define i32 @a(i32 %X) {
|
||
|
|
; CHECK-LABEL: @a(
|
||
|
|
; CHECK-NEXT: [[T0:%.*]] = sub i32 0, [[X:%.*]]
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = sdiv i32 [[T0]], -3
|
||
|
|
; CHECK-NEXT: ret i32 [[T1]]
|
||
|
|
;
|
||
|
|
%t0 = sub i32 0, %X
|
||
|
|
%t1 = sdiv i32 %t0, -3
|
||
|
|
ret i32 %t1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @b(i32 %X) {
|
||
|
|
; CHECK-LABEL: @b(
|
||
|
|
; CHECK-NEXT: ret i32 715827882
|
||
|
|
;
|
||
|
|
%t0 = call i32 @a(i32 -2147483648)
|
||
|
|
ret i32 %t0
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @c(i32 %X) {
|
||
|
|
; CHECK-LABEL: @c(
|
||
|
|
; CHECK-NEXT: ret i32 715827882
|
||
|
|
;
|
||
|
|
%t0 = sub i32 0, -2147483648
|
||
|
|
%t1 = sdiv i32 %t0, -3
|
||
|
|
ret i32 %t1
|
||
|
|
}
|