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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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46
external/llvm/test/Transforms/Reassociate/fast-fp-commute.ll vendored Normal file
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; RUN: opt -reassociate -S < %s | FileCheck %s
declare void @use(float)
define void @test1(float %x, float %y) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[TMP1:%.*]] = fmul fast float %y, %x
; CHECK-NEXT: [[TMP2:%.*]] = fmul fast float %y, %x
; CHECK-NEXT: [[TMP3:%.*]] = fsub fast float [[TMP1]], [[TMP2]]
; CHECK-NEXT: call void @use(float [[TMP1]])
; CHECK-NEXT: call void @use(float [[TMP3]])
; CHECK-NEXT: ret void
;
%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: [[TMP1:%.*]] = fmul fast float %y, %x
; CHECK-NEXT: [[TMP2:%.*]] = fmul fast float %y, %x
; CHECK-NEXT: [[TMP3:%.*]] = fsub fast float [[TMP1]], [[TMP2]]
; CHECK-NEXT: ret float [[TMP3]]
;
%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, %x
; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[FACTOR]], 2.000000e+00
; CHECK-NEXT: ret float [[REASS_MUL]]
;
%1 = fmul fast float %x, %y
%2 = fmul fast float %y, %x
%3 = fadd fast float %1, %2
ret float %3
}