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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
40 lines
1.4 KiB
LLVM
40 lines
1.4 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep rotlwi | count 2
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep clrlwi | count 2
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep rotlw | count 4
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep or
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define i32 @rotl32(i32 %A, i8 %Amt) nounwind {
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%shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1]
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%B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1]
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%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
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%shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
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%C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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define i32 @rotr32(i32 %A, i8 %Amt) nounwind {
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%shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1]
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%B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1]
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%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
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%shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
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%C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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define i32 @rotli32(i32 %A) nounwind {
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%B = shl i32 %A, 5 ; <i32> [#uses=1]
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%C = lshr i32 %A, 27 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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define i32 @rotri32(i32 %A) nounwind {
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%B = lshr i32 %A, 5 ; <i32> [#uses=1]
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%C = shl i32 %A, 27 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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