mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
503ec9826c
This reverts commit r222142. This is causing/exposing an execution-time regression in spec2006/gcc and coremark on AArch64/A57/Ofast. Conflicts: test/Transforms/Reassociate/optional-flags.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222398 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.1 KiB
LLVM
45 lines
1.1 KiB
LLVM
; RUN: opt -reassociate -S < %s | FileCheck %s
|
|
|
|
declare void @use(float)
|
|
|
|
define void @test1(float %x, float %y) {
|
|
; CHECK-LABEL: test1
|
|
; CHECK: fmul fast float %y, %x
|
|
; CHECK: fmul fast float %y, %x
|
|
; CHECK: fsub fast float %1, %2
|
|
; CHECK: call void @use(float %{{.*}})
|
|
; CHECK: call void @use(float %{{.*}})
|
|
|
|
%1 = fmul fast float %x, %y
|
|
%2 = fmul fast float %y, %x
|
|
%3 = fsub fast float %1, %2
|
|
call void @use(float %1)
|
|
call void @use(float %3)
|
|
ret void
|
|
}
|
|
|
|
define float @test2(float %x, float %y) {
|
|
; CHECK-LABEL: test2
|
|
; CHECK-NEXT: fmul fast float %y, %x
|
|
; CHECK-NEXT: fmul fast float %y, %x
|
|
; CHECK-NEXT: fsub fast float %1, %2
|
|
; CHECK-NEXT: ret float %3
|
|
|
|
%1 = fmul fast float %x, %y
|
|
%2 = fmul fast float %y, %x
|
|
%3 = fsub fast float %1, %2
|
|
ret float %3
|
|
}
|
|
|
|
define float @test3(float %x, float %y) {
|
|
; CHECK-LABEL: test3
|
|
; CHECK-NEXT: %factor = fmul fast float %y, 2.000000e+00
|
|
; CHECK-NEXT: %tmp1 = fmul fast float %factor, %x
|
|
; CHECK-NEXT: ret float %tmp1
|
|
|
|
%1 = fmul fast float %x, %y
|
|
%2 = fmul fast float %y, %x
|
|
%3 = fadd fast float %1, %2
|
|
ret float %3
|
|
}
|