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| author | Chris Lattner <sabre@nondot.org> | 2010-04-16 01:05:38 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-04-16 01:05:38 +0000 |
| commit | 1146d326a7e54b79aa403976d0643a76c5079638 (patch) | |
| tree | e2992b8a27b0c7a43ed3431de48a3eda6e716148 /llvm/test/Transforms/ScalarRepl | |
| parent | 09773585091f3982c9d847a76b82dc75f0f19007 (diff) | |
| download | bcm5719-llvm-1146d326a7e54b79aa403976d0643a76c5079638.tar.gz bcm5719-llvm-1146d326a7e54b79aa403976d0643a76c5079638.zip | |
fix PR6832: we were using the alignment of a pointer when we
wanted the alignment of the pointee.
llvm-svn: 101432
Diffstat (limited to 'llvm/test/Transforms/ScalarRepl')
| -rw-r--r-- | llvm/test/Transforms/ScalarRepl/memcpy-align.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/Transforms/ScalarRepl/memcpy-align.ll b/llvm/test/Transforms/ScalarRepl/memcpy-align.ll new file mode 100644 index 00000000000..3fbfc122d70 --- /dev/null +++ b/llvm/test/Transforms/ScalarRepl/memcpy-align.ll @@ -0,0 +1,32 @@ +; PR6832 +; RUN: opt %s -scalarrepl -S | FileCheck %s +target datalayout = +"e-p:32:32:32-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-n32" +target triple = "arm-u-u" + +%0 = type { %struct.anon, %struct.anon } +%struct.anon = type { [4 x i8] } + +@c = external global %0 ; <%0*> [#uses=1] + +define arm_aapcscc void @good() nounwind { +entry: + %x0 = alloca %struct.anon, align 4 ; <%struct.anon*> [#uses=2] + %tmp = bitcast %struct.anon* %x0 to i8* ; <i8*> [#uses=1] + call void @llvm.memset.p0i8.i32(i8* %tmp, i8 0, i32 4, i32 4, i1 false) + %tmp1 = bitcast %struct.anon* %x0 to i8* ; <i8*> [#uses=1] + call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds (%0* @c, i32 +0, i32 0, i32 0, i32 0), i8* %tmp1, i32 4, i32 4, i1 false) + ret void + +; CHECK: store i8 0, i8*{{.*}}, align 4 +; CHECK: store i8 0, i8*{{.*}}, align 1 +; CHECK: store i8 0, i8*{{.*}}, align 2 +; CHECK: store i8 0, i8*{{.*}}, align 1 +} + +declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind + +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, +i1) nounwind + |
