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`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. See also the discussion in https://reviews.llvm.org/D35287 llvm-svn: 309774
13 lines
459 B
LLVM
13 lines
459 B
LLVM
; RUN: llc < %s -mtriple=i686-- | grep lea
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; RUN: llc < %s -mtriple=i686-- | not grep add
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define i32 @test(i32 %X, i32 %Y) {
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; Push the shl through the mul to allow an LEA to be formed, instead
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; of using a shift and add separately.
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%tmp.2 = shl i32 %X, 1 ; <i32> [#uses=1]
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%tmp.3 = mul i32 %tmp.2, %Y ; <i32> [#uses=1]
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%tmp.5 = add i32 %tmp.3, %Y ; <i32> [#uses=1]
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ret i32 %tmp.5
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}
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