From 294c965146d8fe4dfda4e3e57e7bd34ab64a6231 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Sun, 18 Nov 2012 05:39:39 +0000 Subject: Don't try to calculate the alignment of an unsigned type. Fixes PR14371! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168280 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/alloca.ll | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'test/Transforms') diff --git a/test/Transforms/InstCombine/alloca.ll b/test/Transforms/InstCombine/alloca.ll index 50e03479f6..68a671cec8 100644 --- a/test/Transforms/InstCombine/alloca.ll +++ b/test/Transforms/InstCombine/alloca.ll @@ -94,3 +94,19 @@ entry: tail call void @f(i32* %b) ret void } + +; PR14371 +%opaque_type = type opaque +%real_type = type { { i32, i32* } } + +@opaque_global = external constant %opaque_type, align 4 + +define void @test7() { +entry: + %0 = alloca %real_type, align 4 + %1 = bitcast %real_type* %0 to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* bitcast (%opaque_type* @opaque_global to i8*), i32 8, i32 1, i1 false) + ret void +} + +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind -- cgit v1.2.3