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b3a8585bc1
`llc -march` is problematic because it only switches the target architecture, but leaves the operating system unchanged. This occasionally leads to indeterministic tests because the OS from LLVM_DEFAULT_TARGET_TRIPLE is used. However we can simply always use `llc -mtriple` instead. This changes all the tests to do this to avoid people using -march when they copy and paste parts of tests. This patch: - Removes -march if the .ll file already has a matching `target triple` directive or -mtriple argument. - In all other cases changes -march=ppc32/-march=ppc64 to -mtriple=ppc32--/-mtriple=ppc64-- See also the discussion in https://reviews.llvm.org/D35287 llvm-svn: 309754
35 lines
1.1 KiB
LLVM
35 lines
1.1 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep rlwimi
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep "or "
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; Make sure there is no register-register copies here.
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define void @test1(i32* %A, i32* %B, i32* %D, i32* %E) {
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%A.upgrd.1 = load i32, i32* %A ; <i32> [#uses=2]
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%B.upgrd.2 = load i32, i32* %B ; <i32> [#uses=1]
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%X = and i32 %A.upgrd.1, 15 ; <i32> [#uses=1]
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%Y = and i32 %B.upgrd.2, -16 ; <i32> [#uses=1]
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%Z = or i32 %X, %Y ; <i32> [#uses=1]
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store i32 %Z, i32* %D
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store i32 %A.upgrd.1, i32* %E
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ret void
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}
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define void @test2(i32* %A, i32* %B, i32* %D, i32* %E) {
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%A.upgrd.3 = load i32, i32* %A ; <i32> [#uses=1]
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%B.upgrd.4 = load i32, i32* %B ; <i32> [#uses=2]
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%X = and i32 %A.upgrd.3, 15 ; <i32> [#uses=1]
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%Y = and i32 %B.upgrd.4, -16 ; <i32> [#uses=1]
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%Z = or i32 %X, %Y ; <i32> [#uses=1]
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store i32 %Z, i32* %D
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store i32 %B.upgrd.4, i32* %E
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ret void
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}
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define i32 @test3(i32 %a, i32 %b) {
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%tmp.1 = and i32 %a, 15 ; <i32> [#uses=1]
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%tmp.3 = and i32 %b, 240 ; <i32> [#uses=1]
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%tmp.4 = or i32 %tmp.3, %tmp.1 ; <i32> [#uses=1]
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ret i32 %tmp.4
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}
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