From b5e918dc056dc254d689c1deb6a104c59b855f1f Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Mon, 19 Jul 2010 22:48:56 +0000 Subject: After a custom inserter, in a block which has constant instructions, update the current basic block in addition to the current insert position, so that they remain consistent. This fixes rdar://8204072. llvm-svn: 108765 --- llvm/test/CodeGen/X86/fast-isel-atomic.ll | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 llvm/test/CodeGen/X86/fast-isel-atomic.ll (limited to 'llvm/test/CodeGen/X86') diff --git a/llvm/test/CodeGen/X86/fast-isel-atomic.ll b/llvm/test/CodeGen/X86/fast-isel-atomic.ll new file mode 100644 index 00000000000..f8eee9caa6a --- /dev/null +++ b/llvm/test/CodeGen/X86/fast-isel-atomic.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -O0 -march=x86-64 +; rdar://8204072 + +@sc = external global i8 +@uc = external global i8 + +declare i8 @llvm.atomic.load.and.i8.p0i8(i8* nocapture, i8) nounwind + +define void @test_fetch_and_op() nounwind { +entry: + %tmp40 = call i8 @llvm.atomic.load.and.i8.p0i8(i8* @sc, i8 11) ; [#uses=1] + store i8 %tmp40, i8* @sc + %tmp41 = call i8 @llvm.atomic.load.and.i8.p0i8(i8* @uc, i8 11) ; [#uses=1] + store i8 %tmp41, i8* @uc + ret void +} -- cgit v1.2.3