From 5942efb0e5f49fb772e340c251502cc0a7ff157e Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 5 Nov 2007 03:11:55 +0000 Subject: Handle cases where a register and one of its super-register are both marked as defined on the same instruction. This fixes PR1767. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43699 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll (limited to 'test/CodeGen') diff --git a/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll b/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll new file mode 100644 index 0000000000..7e41f36790 --- /dev/null +++ b/test/CodeGen/X86/2007-11-04-LiveVariablesBug.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | llc -mtriple=x86_64-unknown-linux-gnu +; PR1767 + +define void @xor_sse_2(i64 %bytes, i64* %p1, i64* %p2) { +entry: + %p2_addr = alloca i64* ; [#uses=2] + %lines = alloca i32 ; [#uses=2] + store i64* %p2, i64** %p2_addr, align 8 + %tmp1 = lshr i64 %bytes, 8 ; [#uses=1] + %tmp12 = trunc i64 %tmp1 to i32 ; [#uses=2] + store i32 %tmp12, i32* %lines, align 4 + %tmp6 = call i64* asm sideeffect "foo", +"=r,=*r,=*r,r,0,1,2,~{dirflag},~{fpsr},~{flags},~{memory}"( i64** %p2_addr, +i32* %lines, i64 256, i64* %p1, i64* %p2, i32 %tmp12 ) ; [#uses=0] + ret void +} -- cgit v1.2.3-70-g09d2