[llvm] r253940 - minimize test case but still show the bug

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 23 16:11:49 PST 2015


Author: spatel
Date: Mon Nov 23 18:11:48 2015
New Revision: 253940

URL: http://llvm.org/viewvc/llvm-project?rev=253940&view=rev
Log:
minimize test case but still show the bug

Modified:
    llvm/trunk/test/CodeGen/X86/vmovq.ll

Modified: llvm/trunk/test/CodeGen/X86/vmovq.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vmovq.ll?rev=253940&r1=253939&r2=253940&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vmovq.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vmovq.ll Mon Nov 23 18:11:48 2015
@@ -2,46 +2,29 @@
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse4.1 | FileCheck %s --check-prefix=SSE
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx    | FileCheck %s --check-prefix=AVX
 
-declare i32 @llvm.x86.sse41.ptestz(<2 x i64>, <2 x i64>)
-
-define i1 @PR25554(<2 x i64> %v0, <2 x i64> %v1) {
+define <2 x i64> @PR25554(<2 x i64> %v0, <2 x i64> %v1) {
 ; SSE-LABEL: PR25554:
 ; SSE:       # BB#0:
 ; SSE-NEXT:    movl $1, %eax
-; SSE-NEXT:    movd %rax, %xmm2
-; SSE-NEXT:    ptest %xmm2, %xmm0
-; SSE-NEXT:    sete %cl
-; SSE-NEXT:    movzbl %cl, %ecx
-; SSE-NEXT:    movd %rax, %xmm0
-; SSE-NEXT:    pslldq {{.*#+}} xmm0 = zero,zero,zero,zero,zero,zero,zero,zero,xmm0[0,1,2,3,4,5,6,7]
-; SSE-NEXT:    ptest %xmm0, %xmm1
-; SSE-NEXT:    sete %al
-; SSE-NEXT:    movzbl %al, %eax
-; SSE-NEXT:    orl %ecx, %eax
-; SSE-NEXT:    sete %al
+; SSE-NEXT:    movd %rax, %xmm1
+; SSE-NEXT:    por %xmm1, %xmm0
+; SSE-NEXT:    movd %rax, %xmm1
+; SSE-NEXT:    pslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1,2,3,4,5,6,7]
+; SSE-NEXT:    paddq %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
 ; AVX-LABEL: PR25554:
 ; AVX:       # BB#0:
 ; AVX-NEXT:    movl $1, %eax
-; AVX-NEXT:    vmovq %rax, %xmm2
-; AVX-NEXT:    vptest %xmm2, %xmm0
-; AVX-NEXT:    sete %cl
-; AVX-NEXT:    movzbl %cl, %ecx
-; AVX-NEXT:    vmovq %rax, %xmm0
-; AVX-NEXT:    vpslldq {{.*#+}} xmm0 = zero,zero,zero,zero,zero,zero,zero,zero,xmm0[0,1,2,3,4,5,6,7]
-; AVX-NEXT:    vptest %xmm0, %xmm1
-; AVX-NEXT:    sete %al
-; AVX-NEXT:    movzbl %al, %eax
-; AVX-NEXT:    orl %ecx, %eax
-; AVX-NEXT:    sete %al
+; AVX-NEXT:    vmovq %rax, %xmm1
+; AVX-NEXT:    vpor %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vmovq %rax, %xmm1
+; AVX-NEXT:    vpslldq {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,1,2,3,4,5,6,7]
+; AVX-NEXT:    vpaddq %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
 
-  %c1 = tail call i32 @llvm.x86.sse41.ptestz(<2 x i64> %v0, <2 x i64> <i64 1, i64 0>)
-  %b1 = icmp eq i32 %c1, 0
-  %c2 = tail call i32 @llvm.x86.sse41.ptestz(<2 x i64> %v1, <2 x i64> <i64 0, i64 1>)
-  %b2 = icmp eq i32 %c2, 0
-  %and = and i1 %b1, %b2
-  ret i1 %and
+  %c1 = or <2 x i64> %v0, <i64 1, i64 0>
+  %c2 = add <2 x i64> %c1, <i64 0, i64 1>
+  ret <2 x i64> %c2
 }
 




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