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author | Chris Lattner <sabre@nondot.org> | 2010-05-01 06:38:43 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-05-01 06:38:43 +0000 |
commit | bccb41afc8542f01358341451cac85a7115d8763 (patch) | |
tree | ed91f5e9d78e09dd4e77896509fc1aa6d0c83c05 /test | |
parent | 1951e108be0591eb1acb533cb84ff1cb72f80da2 (diff) | |
download | external_llvm-bccb41afc8542f01358341451cac85a7115d8763.zip external_llvm-bccb41afc8542f01358341451cac85a7115d8763.tar.gz external_llvm-bccb41afc8542f01358341451cac85a7115d8763.tar.bz2 |
fix PR5009 by making CGSCCPM realize that a call was devirtualized
if an indirect call site was removed and a direct one was added, not
just if an indirect call site was modified to be direct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102830 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/Inline/devirtualize-3.ll | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/test/Transforms/Inline/devirtualize-3.ll b/test/Transforms/Inline/devirtualize-3.ll new file mode 100644 index 0000000..0a50786 --- /dev/null +++ b/test/Transforms/Inline/devirtualize-3.ll @@ -0,0 +1,79 @@ +; RUN: opt -inline -S -scalarrepl -gvn -instcombine %s | FileCheck %s +; PR5009 + +; CHECK: define i32 @main() +; CHECK-NEXT: entry: +; CHECK-NEXT: call void @exit(i32 38) + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0.0" + +%struct.cont_t = type { void (i8*, i32)*, i8* } +%struct.foo_sf_t = type { %struct.cont_t*, i32 } + +define i32 @main() nounwind ssp { +entry: + %cont = alloca %struct.cont_t, align 8 ; <%struct.cont_t*> [#uses=4] + %tmp = getelementptr inbounds %struct.cont_t* %cont, i32 0, i32 0 ; <void (i8*, i32)**> [#uses=1] + %tmp1 = getelementptr inbounds %struct.cont_t* %cont, i32 0, i32 0 ; <void (i8*, i32)**> [#uses=2] + store void (i8*, i32)* bitcast (void (%struct.cont_t*, i32)* @quit to void (i8*, i32)*), void (i8*, i32)** %tmp1 + %tmp2 = load void (i8*, i32)** %tmp1 ; <void (i8*, i32)*> [#uses=1] + store void (i8*, i32)* %tmp2, void (i8*, i32)** %tmp + %tmp3 = getelementptr inbounds %struct.cont_t* %cont, i32 0, i32 1 ; <i8**> [#uses=1] + store i8* null, i8** %tmp3 + call void @foo(%struct.cont_t* %cont) + ret i32 0 +} + +define internal void @quit(%struct.cont_t* %cont, i32 %rcode) nounwind ssp { +entry: + call void @exit(i32 %rcode) noreturn + unreachable +} + +define internal void @foo(%struct.cont_t* %c) nounwind ssp { +entry: + %sf = alloca %struct.foo_sf_t, align 8 ; <%struct.foo_sf_t*> [#uses=3] + %next = alloca %struct.cont_t, align 8 ; <%struct.cont_t*> [#uses=3] + %tmp = getelementptr inbounds %struct.foo_sf_t* %sf, i32 0, i32 0 ; <%struct.cont_t**> [#uses=1] + store %struct.cont_t* %c, %struct.cont_t** %tmp + %tmp2 = getelementptr inbounds %struct.foo_sf_t* %sf, i32 0, i32 1 ; <i32*> [#uses=1] + store i32 2, i32* %tmp2 + %tmp4 = getelementptr inbounds %struct.cont_t* %next, i32 0, i32 0 ; <void (i8*, i32)**> [#uses=1] + store void (i8*, i32)* bitcast (void (%struct.foo_sf_t*, i32)* @foo2 to void (i8*, i32)*), void (i8*, i32)** %tmp4 + %tmp5 = getelementptr inbounds %struct.cont_t* %next, i32 0, i32 1 ; <i8**> [#uses=1] + %conv = bitcast %struct.foo_sf_t* %sf to i8* ; <i8*> [#uses=1] + store i8* %conv, i8** %tmp5 + call void @bar(%struct.cont_t* %next, i32 14) + ret void +} + +define internal void @foo2(%struct.foo_sf_t* %sf, i32 %y) nounwind ssp { +entry: + %tmp1 = getelementptr inbounds %struct.foo_sf_t* %sf, i32 0, i32 0 ; <%struct.cont_t**> [#uses=1] + %tmp2 = load %struct.cont_t** %tmp1 ; <%struct.cont_t*> [#uses=1] + %tmp3 = getelementptr inbounds %struct.cont_t* %tmp2, i32 0, i32 0 ; <void (i8*, i32)**> [#uses=1] + %tmp4 = load void (i8*, i32)** %tmp3 ; <void (i8*, i32)*> [#uses=1] + %tmp6 = getelementptr inbounds %struct.foo_sf_t* %sf, i32 0, i32 0 ; <%struct.cont_t**> [#uses=1] + %tmp7 = load %struct.cont_t** %tmp6 ; <%struct.cont_t*> [#uses=1] + %conv = bitcast %struct.cont_t* %tmp7 to i8* ; <i8*> [#uses=1] + %tmp9 = getelementptr inbounds %struct.foo_sf_t* %sf, i32 0, i32 1 ; <i32*> [#uses=1] + %tmp10 = load i32* %tmp9 ; <i32> [#uses=1] + %mul = mul i32 %tmp10, %y ; <i32> [#uses=1] + call void %tmp4(i8* %conv, i32 %mul) + ret void +} + +define internal void @bar(%struct.cont_t* %c, i32 %y) nounwind ssp { +entry: + %tmp1 = getelementptr inbounds %struct.cont_t* %c, i32 0, i32 0 ; <void (i8*, i32)**> [#uses=1] + %tmp2 = load void (i8*, i32)** %tmp1 ; <void (i8*, i32)*> [#uses=1] + %tmp4 = getelementptr inbounds %struct.cont_t* %c, i32 0, i32 1 ; <i8**> [#uses=1] + %tmp5 = load i8** %tmp4 ; <i8*> [#uses=1] + %add = add nsw i32 %y, 5 ; <i32> [#uses=1] + call void %tmp2(i8* %tmp5, i32 %add) + ret void +} + +declare void @exit(i32) noreturn + |