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| author | Evan Cheng <evan.cheng@apple.com> | 2008-03-26 20:15:49 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-03-26 20:15:49 +0000 |
| commit | 0c2843285269aa56a0781853cb25b6f03aa0bd99 (patch) | |
| tree | d633b8bdd7656029492e102d085762a362417ead /test | |
| parent | ed70cbb3f367bc0f77d34d22163abbe4879526bc (diff) | |
| download | external_llvm-0c2843285269aa56a0781853cb25b6f03aa0bd99.zip external_llvm-0c2843285269aa56a0781853cb25b6f03aa0bd99.tar.gz external_llvm-0c2843285269aa56a0781853cb25b6f03aa0bd99.tar.bz2 | |
One more coalescer fix wrt deadness propagation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48837 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/PowerPC/2008-03-26-CoalescerBug.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2008-03-26-CoalescerBug.ll b/test/CodeGen/PowerPC/2008-03-26-CoalescerBug.ll new file mode 100644 index 0000000..0b748d2 --- /dev/null +++ b/test/CodeGen/PowerPC/2008-03-26-CoalescerBug.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | llc -mtriple=powerpc-apple-darwin + +define i32 @t(i64 %byteStart, i32 %activeIndex) nounwind { +entry: + %tmp50 = load i32* null, align 4 ; <i32> [#uses=1] + %tmp5051 = zext i32 %tmp50 to i64 ; <i64> [#uses=3] + %tmp53 = udiv i64 %byteStart, %tmp5051 ; <i64> [#uses=1] + %tmp5354 = trunc i64 %tmp53 to i32 ; <i32> [#uses=1] + %tmp62 = urem i64 %byteStart, %tmp5051 ; <i64> [#uses=1] + %tmp94 = add i32 0, 1 ; <i32> [#uses=1] + %tmp100 = urem i32 %tmp94, 0 ; <i32> [#uses=2] + %tmp108 = add i32 0, %activeIndex ; <i32> [#uses=1] + %tmp110 = sub i32 %tmp108, 0 ; <i32> [#uses=1] + %tmp112 = urem i32 %tmp110, 0 ; <i32> [#uses=2] + %tmp122 = icmp ult i32 %tmp112, %tmp100 ; <i1> [#uses=1] + %iftmp.175.0 = select i1 %tmp122, i32 %tmp112, i32 %tmp100 ; <i32> [#uses=1] + %tmp119 = add i32 %tmp5354, 0 ; <i32> [#uses=1] + %tmp131 = add i32 %tmp119, %iftmp.175.0 ; <i32> [#uses=1] + %tmp131132 = zext i32 %tmp131 to i64 ; <i64> [#uses=1] + %tmp147 = mul i64 %tmp131132, %tmp5051 ; <i64> [#uses=1] + br i1 false, label %bb164, label %bb190 +bb164: ; preds = %entry + %tmp171172 = and i64 %tmp62, 4294967295 ; <i64> [#uses=1] + %tmp173 = add i64 %tmp171172, %tmp147 ; <i64> [#uses=0] + ret i32 0 +bb190: ; preds = %entry + ret i32 0 +} |