diff options
Diffstat (limited to 'llvm/test/Analysis/ValueTracking/get-pointer-base-with-const-off.ll')
| -rw-r--r-- | llvm/test/Analysis/ValueTracking/get-pointer-base-with-const-off.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Analysis/ValueTracking/get-pointer-base-with-const-off.ll b/llvm/test/Analysis/ValueTracking/get-pointer-base-with-const-off.ll new file mode 100644 index 00000000000..6752b08f000 --- /dev/null +++ b/llvm/test/Analysis/ValueTracking/get-pointer-base-with-const-off.ll @@ -0,0 +1,26 @@ +; RUN: opt -gvn -S < %s | FileCheck %s + +; Make sure we don't crash when analyzing an addrspacecast in +; GetPointerBaseWithConstantOffset() + +target datalayout = "e-p:32:32-p4:64:64" + +define i32 @addrspacecast-crash() { +; CHECK-LABEL: @addrspacecast-crash +; CHECK: %tmp = alloca [25 x i64] +; CHECK: %tmp1 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0 +; CHECK: %tmp2 = addrspacecast i64* %tmp1 to <8 x i64> addrspace(4)* +; CHECK: store <8 x i64> zeroinitializer, <8 x i64> addrspace(4)* %tmp2 +; CHECK-NOT: load +bb: + %tmp = alloca [25 x i64] + %tmp1 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0 + %tmp2 = addrspacecast i64* %tmp1 to <8 x i64> addrspace(4)* + %tmp3 = getelementptr inbounds <8 x i64>, <8 x i64> addrspace(4)* %tmp2, i64 0 + store <8 x i64> zeroinitializer, <8 x i64> addrspace(4)* %tmp3 + %tmp4 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0 + %tmp5 = addrspacecast i64* %tmp4 to i32 addrspace(4)* + %tmp6 = getelementptr inbounds i32, i32 addrspace(4)* %tmp5, i64 10 + %tmp7 = load i32, i32 addrspace(4)* %tmp6, align 4 + ret i32 %tmp7 +} |
