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author | Evan Cheng <evan.cheng@apple.com> | 2007-10-17 02:15:06 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-10-17 02:15:06 +0000 |
commit | 6ee4561ba73ca1f619b771c344e9a7f9265d7f5c (patch) | |
tree | 6010501d46090ad8b46afa317968153189842ebb /test | |
parent | 303fed8a6365ef87a947fb42e115da07f3151fbb (diff) | |
download | external_llvm-6ee4561ba73ca1f619b771c344e9a7f9265d7f5c.zip external_llvm-6ee4561ba73ca1f619b771c344e9a7f9265d7f5c.tar.gz external_llvm-6ee4561ba73ca1f619b771c344e9a7f9265d7f5c.tar.bz2 |
Yet another test case for extract_subreg coalescing crash.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43063 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/X86/2007-10-16-CoalescerCrash.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2007-10-16-CoalescerCrash.ll b/test/CodeGen/X86/2007-10-16-CoalescerCrash.ll new file mode 100644 index 0000000..a414ef0 --- /dev/null +++ b/test/CodeGen/X86/2007-10-16-CoalescerCrash.ll @@ -0,0 +1,31 @@ +; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin + +define i64 @__ashldi3(i64 %u, i64 %b) { +entry: + br i1 false, label %UnifiedReturnBlock, label %cond_next + +cond_next: ; preds = %entry + %tmp9 = sub i64 32, %b ; <i64> [#uses=2] + %tmp11 = icmp slt i64 %tmp9, 1 ; <i1> [#uses=1] + %tmp2180 = trunc i64 %u to i32 ; <i32> [#uses=2] + %tmp2223 = trunc i64 %tmp9 to i32 ; <i32> [#uses=2] + br i1 %tmp11, label %cond_true14, label %cond_false + +cond_true14: ; preds = %cond_next + %tmp24 = sub i32 0, %tmp2223 ; <i32> [#uses=1] + %tmp25 = shl i32 %tmp2180, %tmp24 ; <i32> [#uses=1] + %tmp2569 = zext i32 %tmp25 to i64 ; <i64> [#uses=1] + %tmp256970 = shl i64 %tmp2569, 32 ; <i64> [#uses=1] + ret i64 %tmp256970 + +cond_false: ; preds = %cond_next + %tmp35 = lshr i32 %tmp2180, %tmp2223 ; <i32> [#uses=1] + %tmp54 = or i32 %tmp35, 0 ; <i32> [#uses=1] + %tmp5464 = zext i32 %tmp54 to i64 ; <i64> [#uses=1] + %tmp546465 = shl i64 %tmp5464, 32 ; <i64> [#uses=1] + %tmp546465.ins = or i64 %tmp546465, 0 ; <i64> [#uses=1] + ret i64 %tmp546465.ins + +UnifiedReturnBlock: + ret i64 %u +} |