[llvm] r343403 - [X86] Regenerate MMX coalescing test

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sun Sep 30 02:42:04 2018
New Revision: 343403

URL: http://llvm.org/viewvc/llvm-project?rev=343403&view=rev
Log:
[X86] Regenerate MMX coalescing test

Exposes another extractelement(bitcast(scalartovector())) pattern

Modified:
    llvm/trunk/test/CodeGen/X86/mmx-coalescing.ll

Modified: llvm/trunk/test/CodeGen/X86/mmx-coalescing.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/mmx-coalescing.ll?rev=343403&r1=343402&r2=343403&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/mmx-coalescing.ll (original)
+++ llvm/trunk/test/CodeGen/X86/mmx-coalescing.ll Sun Sep 30 02:42:04 2018
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+mmx,+sse2 | FileCheck %s
 
 %SA = type <{ %union.anon, i32, [4 x i8], i8*, i8*, i8*, i32, [4 x i8] }>
@@ -6,13 +7,32 @@
 ; Check that extra movd (copy) instructions aren't generated.
 
 define i32 @test(%SA* %pSA, i16* %A, i32 %B, i32 %C, i32 %D, i8* %E) {
+; CHECK-LABEL: test:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    pshufw $238, (%rdi), %mm0 # mm0 = mem[2,3,2,3]
+; CHECK-NEXT:    movd %mm0, %eax
+; CHECK-NEXT:    testl %eax, %eax
+; CHECK-NEXT:    je .LBB0_1
+; CHECK-NEXT:  # %bb.2: # %if.B
+; CHECK-NEXT:    pshufw $238, %mm0, %mm0 # mm0 = mm0[2,3,2,3]
+; CHECK-NEXT:    movq %mm0, %rax
+; CHECK-NEXT:    jmp .LBB0_3
+; CHECK-NEXT:  .LBB0_1: # %if.A
+; CHECK-NEXT:    movd %edx, %mm1
+; CHECK-NEXT:    psllq %mm1, %mm0
+; CHECK-NEXT:    movq %mm0, %rax
+; CHECK-NEXT:    testq %rax, %rax
+; CHECK-NEXT:    jne .LBB0_4
+; CHECK-NEXT:  .LBB0_3: # %if.C
+; CHECK-NEXT:    movq %rax, %xmm0
+; CHECK-NEXT:    movd %xmm0, %eax
+; CHECK-NEXT:    testl %eax, %eax
+; CHECK-NEXT:    je .LBB0_1
+; CHECK-NEXT:  .LBB0_4: # %merge
+; CHECK-NEXT:    pshufw $238, %mm0, %mm0 # mm0 = mm0[2,3,2,3]
+; CHECK-NEXT:    movd %mm0, %eax
+; CHECK-NEXT:    retq
 entry:
-; CHECK-LABEL: test
-; CHECK:       # %bb.0:
-; CHECK-NEXT:  pshufw
-; CHECK-NEXT:  movd
-; CHECK-NOT:  movd
-; CHECK-NEXT:  testl
   %shl = shl i32 1, %B
   %shl1 = shl i32 %C, %B
   %shl2 = shl i32 1, %D
@@ -36,9 +56,6 @@ entry:
   br i1 %cmp, label %if.A, label %if.B
 
 if.A:
-; CHECK: %if.A
-; CHECK-NEXT:  movd
-; CHECK-NEXT:  psllq
   %pa = phi <1 x i64> [ %v8, %entry ], [ %vx, %if.C ]
   %v17 = extractelement <1 x i64> %pa, i32 0
   %v18 = bitcast i64 %v17 to x86_mmx
@@ -64,9 +81,6 @@ if.C:
   br i1 %cmp2, label %if.A, label %merge
 
 merge:
-; CHECK: %merge
-; CHECK-NOT:  movd
-; CHECK-NEXT:  pshufw
   %vy = phi <1 x i64> [ %v21, %if.A ], [ %vx, %if.C ]
   %v130 = bitcast <1 x i64> %vy to <4 x i16>
   %v131 = bitcast <4 x i16> %v130 to x86_mmx