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| author | Stephen Hines <srhines@google.com> | 2014-04-23 16:57:46 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-04-24 15:53:16 -0700 |
| commit | 36b56886974eae4f9c5ebc96befd3e7bfe5de338 (patch) | |
| tree | e6cfb69fbbd937f450eeb83bfb83b9da3b01275a /test/Transforms/LowerExpectIntrinsic/basic.ll | |
| parent | 69a8640022b04415ae9fac62f8ab090601d8f889 (diff) | |
| download | external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.zip external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.gz external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.bz2 | |
Update to LLVM 3.5a.
Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
Diffstat (limited to 'test/Transforms/LowerExpectIntrinsic/basic.ll')
| -rw-r--r-- | test/Transforms/LowerExpectIntrinsic/basic.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/LowerExpectIntrinsic/basic.ll b/test/Transforms/LowerExpectIntrinsic/basic.ll index 955209a..e184cb0 100644 --- a/test/Transforms/LowerExpectIntrinsic/basic.ll +++ b/test/Transforms/LowerExpectIntrinsic/basic.ll @@ -245,6 +245,35 @@ return: ; preds = %if.end, %if.then declare i32 @llvm.expect.i32(i32, i32) nounwind readnone +; CHECK-LABEL: @test9( +define i32 @test9(i32 %x) nounwind uwtable ssp { +entry: + %retval = alloca i32, align 4 + %x.addr = alloca i32, align 4 + store i32 %x, i32* %x.addr, align 4 + %tmp = load i32* %x.addr, align 4 + %cmp = icmp sgt i32 %tmp, 1 + %expval = call i1 @llvm.expect.i1(i1 %cmp, i1 1) +; CHECK: !prof !0 +; CHECK-NOT: @llvm.expect + br i1 %expval, label %if.then, label %if.end + +if.then: ; preds = %entry + %call = call i32 (...)* @f() + store i32 %call, i32* %retval + br label %return + +if.end: ; preds = %entry + store i32 1, i32* %retval + br label %return + +return: ; preds = %if.end, %if.then + %0 = load i32* %retval + ret i32 %0 +} + +declare i1 @llvm.expect.i1(i1, i1) nounwind readnone + ; CHECK: !0 = metadata !{metadata !"branch_weights", i32 64, i32 4} ; CHECK: !1 = metadata !{metadata !"branch_weights", i32 4, i32 64} ; CHECK: !2 = metadata !{metadata !"branch_weights", i32 4, i32 64, i32 4} |