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| author | Bill Wendling <isanbard@gmail.com> | 2013-12-07 21:24:29 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2013-12-07 21:24:29 +0000 |
| commit | fccbdd27bcd604e232dfa8c77105dcb625da305e (patch) | |
| tree | d6f151df44549fe3f6d56b8c1ab5192b3a28d860 /test/Transforms | |
| parent | d9979c53c324464fd8acf36e686886d2f2810add (diff) | |
| download | external_llvm-fccbdd27bcd604e232dfa8c77105dcb625da305e.zip external_llvm-fccbdd27bcd604e232dfa8c77105dcb625da305e.tar.gz external_llvm-fccbdd27bcd604e232dfa8c77105dcb625da305e.tar.bz2 | |
Merging r196638:
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r196638 | arsenm | 2013-12-06 18:58:45 -0800 (Fri, 06 Dec 2013) | 1 line
Fix assert with copy from global through addrspacecast
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196668 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/addrspacecast.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/addrspacecast.ll b/test/Transforms/InstCombine/addrspacecast.ll index 3ddeb25..d908b55 100644 --- a/test/Transforms/InstCombine/addrspacecast.ll +++ b/test/Transforms/InstCombine/addrspacecast.ll @@ -2,6 +2,12 @@ target datalayout = "e-p:64:64:64-p1:32:32:32-p2:16:16:16-n8:16:32:64" + +declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) nounwind +declare void @llvm.memcpy.p0i8.p1i8.i32(i8*, i8 addrspace(1)*, i32, i32, i1) nounwind +declare void @llvm.memcpy.p0i8.p2i8.i32(i8*, i8 addrspace(2)*, i32, i32, i1) nounwind + + define i32* @combine_redundant_addrspacecast(i32 addrspace(1)* %x) nounwind { ; CHECK-LABEL: @combine_redundant_addrspacecast( ; CHECK: addrspacecast i32 addrspace(1)* %x to i32* @@ -29,3 +35,35 @@ define float* @combine_redundant_addrspacecast_types(i32 addrspace(1)* %x) nounw ret float* %z } +@const_array = addrspace(2) constant [60 x i8] [i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, + i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, + i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, + i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, + i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22, i8 2, i8 9, i8 4, i8 22 ] + +declare void @foo(i8*) nounwind + +; A copy from a constant addrspacecast'ed global +; CHECK-LABEL: @memcpy_addrspacecast( +; CHECK-NOT: call void @llvm.memcpy +define i32 @memcpy_addrspacecast() nounwind { +entry: + %alloca = alloca i8, i32 48 + call void @llvm.memcpy.p0i8.p1i8.i32(i8* %alloca, i8 addrspace(1)* addrspacecast (i8 addrspace(2)* getelementptr inbounds ([60 x i8] addrspace(2)* @const_array, i16 0, i16 4) to i8 addrspace(1)*), i32 48, i32 4, i1 false) nounwind + br label %loop.body + +loop.body: + %i = phi i32 [ 0, %entry ], [ %i.inc, %loop.body ] + %sum = phi i32 [ 0, %entry ], [ %sum.inc, %loop.body] + %ptr = getelementptr i8* %alloca, i32 %i + %load = load i8* %ptr + %ext = zext i8 %load to i32 + %sum.inc = add i32 %sum, %ext + %i.inc = add i32 %i, 1 + %cmp = icmp ne i32 %i, 48 + br i1 %cmp, label %loop.body, label %end + +end: + ret i32 %sum.inc +} + |