mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
22 lines
578 B
LLVM
22 lines
578 B
LLVM
; RUN: opt -reassociate -S < %s | FileCheck %s
|
|
; PR21205
|
|
|
|
@a = common global i32 0, align 4
|
|
@b = common global i32 0, align 4
|
|
|
|
; Don't canonicalize %conv - undef into %conv + (-undef).
|
|
; CHECK-LABEL: @test1
|
|
; CHECK: %sub = fsub fast float %conv, undef
|
|
; CHECK: %sub1 = fadd fast float %sub, -1.000000e+00
|
|
|
|
define i32 @test1() {
|
|
entry:
|
|
%0 = load i32, i32* @a, align 4
|
|
%conv = sitofp i32 %0 to float
|
|
%sub = fsub fast float %conv, undef
|
|
%sub1 = fadd fast float %sub, -1.000000e+00
|
|
%conv2 = fptosi float %sub1 to i32
|
|
store i32 %conv2, i32* @b, align 4
|
|
ret i32 undef
|
|
}
|