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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
19 lines
745 B
LLVM
19 lines
745 B
LLVM
; This test should not contain a sign extend
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep extsb
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define i32 @test(i32 %mode.0.i.0) {
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%tmp.79 = trunc i32 %mode.0.i.0 to i8 ; <i8> [#uses=1]
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%tmp.80 = sext i8 %tmp.79 to i32 ; <i32> [#uses=1]
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%tmp.81 = shl i32 %tmp.80, 24 ; <i32> [#uses=1]
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ret i32 %tmp.81
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}
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define i32 @test2(i32 %mode.0.i.0) {
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%tmp.79 = trunc i32 %mode.0.i.0 to i8 ; <i8> [#uses=1]
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%tmp.80 = sext i8 %tmp.79 to i32 ; <i32> [#uses=1]
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%tmp.81 = shl i32 %tmp.80, 16 ; <i32> [#uses=1]
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%tmp.82 = and i32 %tmp.81, 16711680 ; <i32> [#uses=1]
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ret i32 %tmp.82
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}
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