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| author | Stuart Hastings <stuart@apple.com> | 2011-03-02 23:41:40 +0000 |
|---|---|---|
| committer | Stuart Hastings <stuart@apple.com> | 2011-03-02 23:41:40 +0000 |
| commit | 44456e86c866d51871fb77dffcbe55054f6e049c (patch) | |
| tree | 7c74f46bed7648999fc3210cdad2ff28a82f2aea /test | |
| parent | 254c63e33678a64eaadfd658b79ed362c8572147 (diff) | |
Test case for r126864. Radar 9056407.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126900 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/2011-03-02-DAGCombiner.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2011-03-02-DAGCombiner.ll b/test/CodeGen/X86/2011-03-02-DAGCombiner.ll new file mode 100644 index 0000000000..be58cedfda --- /dev/null +++ b/test/CodeGen/X86/2011-03-02-DAGCombiner.ll @@ -0,0 +1,51 @@ +; 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(...) |