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Test case for r126864. Radar 9056407.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126900 91177308-0d34-0410-b5e6-96231b3b80d8
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Stuart Hastings 2011-03-02 23:41:40 +00:00
parent 254c63e336
commit 44456e86c8
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test/CodeGen/X86/2011-03-02-DAGCombiner.ll Normal file
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; RUN: llc < %s -march=x86-64
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin11.0.0"
%0 = type { i8, [3 x i8] }
%struct.anon = type { float, x86_fp80 }
define i32 @main() nounwind ssp {
entry:
%retval = alloca i32, align 4
%F = alloca %struct.anon, align 16
%K = alloca %0, align 4
store i32 0, i32* %retval
%0 = bitcast %0* %K to i32*
%1 = load i32* %0, align 4
%2 = and i32 %1, -121
%3 = or i32 %2, 32
store i32 %3, i32* %0, align 4
%4 = bitcast %0* %K to i32*
%5 = load i32* %4, align 4
%6 = lshr i32 %5, 3
%bf.clear = and i32 %6, 15
%conv = sitofp i32 %bf.clear to float
%f = getelementptr inbounds %struct.anon* %F, i32 0, i32 0
%tmp = load float* %f, align 4
%sub = fsub float %tmp, %conv
store float %sub, float* %f, align 4
%ld = getelementptr inbounds %struct.anon* %F, i32 0, i32 1
%tmp1 = load x86_fp80* %ld, align 16
%7 = bitcast %0* %K to i32*
%8 = load i32* %7, align 4
%9 = lshr i32 %8, 7
%bf.clear2 = and i32 %9, 1
%conv3 = uitofp i32 %bf.clear2 to x86_fp80
%sub4 = fsub x86_fp80 %conv3, %tmp1
%conv5 = fptoui x86_fp80 %sub4 to i32
%bf.value = and i32 %conv5, 1
%10 = bitcast %0* %K to i32*
%11 = and i32 %bf.value, 1
%12 = shl i32 %11, 7
%13 = load i32* %10, align 4
%14 = and i32 %13, -129
%15 = or i32 %14, %12
store i32 %15, i32* %10, align 4
%call = call i32 (...)* @iequals(i32 1841, i32 %bf.value, i32 0)
%16 = load i32* %retval
ret i32 %16
}
declare i32 @iequals(...)