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| author | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
| commit | dce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch) | |
| tree | dcebc53f2b182f145a2e659393bf9a0472cedf23 /test/Transforms/SimplifyCFG/extract-cost.ll | |
| parent | 220b921aed042f9e520c26cffd8282a94c66c3d5 (diff) | |
| download | external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.zip external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.gz external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.bz2 | |
Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'test/Transforms/SimplifyCFG/extract-cost.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/extract-cost.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/extract-cost.ll b/test/Transforms/SimplifyCFG/extract-cost.ll new file mode 100644 index 0000000..9c86725 --- /dev/null +++ b/test/Transforms/SimplifyCFG/extract-cost.ll @@ -0,0 +1,22 @@ +; RUN: opt -simplifycfg -S < %s | FileCheck %s + +declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) #1 + +define i32 @f(i32 %a, i32 %b) #0 { +entry: + %uadd = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 %b) + %cmp = extractvalue { i32, i1 } %uadd, 1 + br i1 %cmp, label %return, label %if.end + +if.end: ; preds = %entry + %0 = extractvalue { i32, i1 } %uadd, 0 + br label %return + +return: ; preds = %entry, %if.end + %retval.0 = phi i32 [ %0, %if.end ], [ 0, %entry ] + ret i32 %retval.0 + +; CHECK-LABEL: @f( +; CHECK-NOT: phi +; CHECK: select +} |