From 4a20e518c7a7371d6ff15c3386ffdfe10e1d74ac Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Fri, 7 Aug 2009 00:04:42 +0000 Subject: [PATCH] Add the testcase from PR 4668. This works at the moment, but it's a fragile area. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78358 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2009-08-06-inlineasm.ll | 26 ++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 test/CodeGen/X86/2009-08-06-inlineasm.ll diff --git a/test/CodeGen/X86/2009-08-06-inlineasm.ll b/test/CodeGen/X86/2009-08-06-inlineasm.ll new file mode 100644 index 00000000000..b1c2b28b479 --- /dev/null +++ b/test/CodeGen/X86/2009-08-06-inlineasm.ll @@ -0,0 +1,26 @@ +; RUN: llvm-as < %s | llc +; PR4668 +; ModuleID = '' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" +target triple = "i386-pc-linux-gnu" + +define i32 @x(i32 %qscale) nounwind { +entry: + %temp_block = alloca [64 x i16], align 16 ; <[64 x i16]*> [#uses=0] + %tmp = call i32 asm sideeffect "xor %edx, %edx", "={dx},~{dirflag},~{fpsr},~{flags}"() nounwind ; [#uses=1] + br i1 undef, label %if.end78, label %if.then28 + +if.then28: ; preds = %entry + br label %if.end78 + +if.end78: ; preds = %if.then28, %entry + %level.1 = phi i32 [ %tmp, %if.then28 ], [ 0, %entry ] ; [#uses=1] + %add.ptr1 = getelementptr [64 x i16]* null, i32 0, i32 %qscale ; [#uses=1] + %add.ptr2 = getelementptr [64 x i16]* null, i32 1, i32 %qscale ; [#uses=1] + %add.ptr3 = getelementptr [64 x i16]* null, i32 2, i32 %qscale ; [#uses=1] + %add.ptr4 = getelementptr [64 x i16]* null, i32 3, i32 %qscale ; [#uses=1] + %add.ptr5 = getelementptr [64 x i16]* null, i32 4, i32 %qscale ; [#uses=1] + %add.ptr6 = getelementptr [64 x i16]* null, i32 5, i32 %qscale ; [#uses=1] + %tmp1 = call i32 asm sideeffect "nop", "={ax},r,r,r,r,r,0,~{dirflag},~{fpsr},~{flags}"(i16* %add.ptr6, i16* %add.ptr5, i16* %add.ptr4, i16* %add.ptr3, i16* %add.ptr2, i16* %add.ptr1) nounwind ; [#uses=0] + ret i32 %level.1 +}