[llvm-branch-commits] [llvm] ec7ef42 - [X86][AVX] Add test case for PR51281

[Tom Stellard via llvm-branch-commits]

Author: Simon Pilgrim
Date: 2021-08-02T20:05:12-07:00
New Revision: ec7ef4263e28db89493b4b2b2ca8b236b4a77698

URL: https://github.com/llvm/llvm-project/commit/ec7ef4263e28db89493b4b2b2ca8b236b4a77698
DIFF: https://github.com/llvm/llvm-project/commit/ec7ef4263e28db89493b4b2b2ca8b236b4a77698.diff

LOG: [X86][AVX] Add test case for PR51281

(cherry picked from commit 6569b7f90239b5932465a1c6936632b4a9527d66)

Added: 
    llvm/test/CodeGen/X86/pr51281.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/pr51281.ll b/llvm/test/CodeGen/X86/pr51281.ll
new file mode 100644
index 0000000000000..116e6d1470f83
--- /dev/null
+++ b/llvm/test/CodeGen/X86/pr51281.ll
@@ -0,0 +1,39 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_mem_shuffle
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s
+
+; CHECK: .LCPI0_0:
+; CHECK-NEXT: .long   0x00000000
+; CHECK-NEXT: .zero   4
+; CHECK-NEXT: .long   0x3eb5dbc6
+; CHECK-NEXT: .long   0x3eb5dbc6
+; CHECK-NEXT: .zero   4
+; CHECK-NEXT: .long   0x3eb5dbc6
+; CHECK-NEXT: .zero   4
+; CHECK-NEXT: .zero   4
+
+; CHECK: .LCPI0_1:
+; CHECK-NEXT: .long   3
+; CHECK-NEXT: .long   3
+; CHECK-NEXT: .long   1
+; CHECK-NEXT: .long   1
+; CHECK-NEXT: .long   6
+; CHECK-NEXT: .long   7
+; CHECK-NEXT: .long   6
+; CHECK-NEXT: .long   4
+
+define <16 x float> @PR51281(<8 x float> %a0) {
+; CHECK-LABEL: PR51281:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; CHECK-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[1,0],xmm1[3,0]
+; CHECK-NEXT:    vshufps {{.*#+}} xmm1 = xmm2[2,0],xmm1[1,3]
+; CHECK-NEXT:    vmovsldup {{.*#+}} xmm2 = xmm0[0,0,2,2]
+; CHECK-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
+; CHECK-NEXT:    vblendps $141, {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1 # ymm1 = mem[0],ymm1[1],mem[2,3],ymm1[4,5,6],mem[7]
+; CHECK-NEXT:    vperm2f128 {{.*#+}} ymm2 = ymm0[2,3,0,1]
+; CHECK-NEXT:    vblendps {{.*#+}} ymm0 = ymm2[0],ymm0[1],ymm2[2,3,4,5],ymm0[6],ymm2[7]
+; CHECK-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[3,3,1,1,6,7,6,4]
+; CHECK-NEXT:    retq
+  %shuffle = shufflevector <8 x float> %a0, <8 x float> <float poison, float 0x3FD6BB78C0000000, float poison, float poison, float poison, float poison, float 0.000000e+00, float poison>, <16 x i32> <i32 7, i32 7, i32 1, i32 1, i32 6, i32 3, i32 6, i32 0, i32 14, i32 0, i32 9, i32 9, i32 7, i32 1, i32 5, i32 9>
+  ret <16 x float> %shuffle
+}