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| author | Bob Wilson <bob.wilson@apple.com> | 2011-03-08 01:17:20 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2011-03-08 01:17:20 +0000 |
| commit | 79f56c9618e60c390932a6866929b82c9a6d6f96 (patch) | |
| tree | c6c8a59ae2b15dc83e07c8416354fdcb284490ae /test | |
| parent | 1b772f99622dc89b807541c0d7477286aa369976 (diff) | |
Fix a compiler crash where a Glue value had multiple uses. Radar 9049552.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127198 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/ARM/select.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/select.ll b/test/CodeGen/ARM/select.ll index 1aa0d39041..d1493ee56e 100644 --- a/test/CodeGen/ARM/select.ll +++ b/test/CodeGen/ARM/select.ll @@ -90,3 +90,26 @@ define arm_apcscc float @f8(i32 %a) nounwind { %tmp1 = select i1 %tmp, float 0x3FF3BE76C0000000, float 0x40030E9A20000000 ret float %tmp1 } + +; <rdar://problem/9049552> +; Glue values can only have a single use, but the following test exposed a +; case where a SELECT was lowered with 2 uses of a comparison, causing the +; scheduler to assert. +; CHECK-VFP: f9: + +declare i8* @objc_msgSend(i8*, i8*, ...) +define void @f9() optsize { +entry: + %cmp = icmp eq i8* undef, inttoptr (i32 4 to i8*) + %conv191 = select i1 %cmp, float -3.000000e+00, float 0.000000e+00 + %conv195 = select i1 %cmp, double -1.000000e+00, double 0.000000e+00 + %add = fadd double %conv195, 1.100000e+01 + %conv196 = fptrunc double %add to float + %add201 = fadd float undef, %conv191 + %tmp484 = bitcast float %conv196 to i32 + %tmp478 = bitcast float %add201 to i32 + %tmp490 = insertvalue [2 x i32] undef, i32 %tmp484, 0 + %tmp493 = insertvalue [2 x i32] %tmp490, i32 %tmp478, 1 + call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, [2 x i32], i32, float)*)(i8* undef, i8* undef, [2 x i32] %tmp493, i32 0, float 1.000000e+00) optsize + ret void +} |