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depth first order, so it wouldn't process unreachable blocks. When compiling at -O0, late dead block elimination isn't done and the bad instructions got to isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81187 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1.3 KiB
LLVM
31 lines
1.3 KiB
LLVM
; RUN: llc %s -O0 -fast-isel -regalloc=local -o -
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; PR4767
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin10"
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define void @fn(x86_fp80 %x) nounwind ssp {
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entry:
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%x.addr = alloca x86_fp80 ; <x86_fp80*> [#uses=5]
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store x86_fp80 %x, x86_fp80* %x.addr
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br i1 false, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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%tmp = load x86_fp80* %x.addr ; <x86_fp80> [#uses=1]
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%tmp1 = load x86_fp80* %x.addr ; <x86_fp80> [#uses=1]
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%cmp = fcmp oeq x86_fp80 %tmp, %tmp1 ; <i1> [#uses=1]
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br i1 %cmp, label %if.then, label %if.end
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cond.false: ; preds = %entry
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%tmp2 = load x86_fp80* %x.addr ; <x86_fp80> [#uses=1]
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%tmp3 = load x86_fp80* %x.addr ; <x86_fp80> [#uses=1]
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%cmp4 = fcmp une x86_fp80 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %cmp4, label %if.then, label %if.end
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if.then: ; preds = %cond.false, %cond.true
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br label %if.end
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if.end: ; preds = %if.then, %cond.false, %cond.true
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ret void
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}
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