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f7935a3f63
`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
71 lines
1.6 KiB
LLVM
71 lines
1.6 KiB
LLVM
; RUN: llc < %s -mtriple=i686-- | not grep btl
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; This tests some cases where BT must not be generated. See also bt.ll.
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; Fixes 20040709-[12].c in gcc testsuite.
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define void @test2(i32 %x, i32 %n) nounwind {
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp eq i32 %tmp3, %tmp2 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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define void @test3(i32 %x, i32 %n) nounwind {
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp eq i32 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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define void @test4(i32 %x, i32 %n) nounwind {
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp ne i32 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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define void @test5(i32 %x, i32 %n) nounwind {
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp ne i32 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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declare void @foo()
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