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-rw-r--r--llvm/test/CodeGen/X86/avx512-vec3-crash.ll31
1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/avx512-vec3-crash.ll b/llvm/test/CodeGen/X86/avx512-vec3-crash.ll
new file mode 100644
index 00000000000..281456c235b
--- /dev/null
+++ b/llvm/test/CodeGen/X86/avx512-vec3-crash.ll
@@ -0,0 +1,31 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mcpu=skx -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
+
+; This test crashed during type legalization of SETCC result type.
+define <3 x i8 > @foo(<3 x i8>%x, <3 x i8>%a, <3 x i8>%b) {
+; CHECK-LABEL: foo:
+; CHECK: # BB#0:
+; CHECK-NEXT: vmovd %edi, %xmm0
+; CHECK-NEXT: vpinsrd $1, %esi, %xmm0, %xmm0
+; CHECK-NEXT: vpinsrd $2, %edx, %xmm0, %xmm0
+; CHECK-NEXT: vpslld $24, %xmm0, %xmm0
+; CHECK-NEXT: vpsrad $24, %xmm0, %xmm0
+; CHECK-NEXT: vmovd %ecx, %xmm1
+; CHECK-NEXT: vpinsrd $1, %r8d, %xmm1, %xmm1
+; CHECK-NEXT: vpinsrd $2, %r9d, %xmm1, %xmm1
+; CHECK-NEXT: vpslld $24, %xmm1, %xmm1
+; CHECK-NEXT: vpsrad $24, %xmm1, %xmm1
+; CHECK-NEXT: vpcmpgtd %xmm0, %xmm1, %k0
+; CHECK-NEXT: vpmovm2d %k0, %xmm0
+; CHECK-NEXT: vpextrb $0, %xmm0, %eax
+; CHECK-NEXT: vpextrb $4, %xmm0, %edx
+; CHECK-NEXT: vpextrb $8, %xmm0, %ecx
+; CHECK-NEXT: # kill: %AL<def> %AL<kill> %EAX<kill>
+; CHECK-NEXT: # kill: %DL<def> %DL<kill> %EDX<kill>
+; CHECK-NEXT: # kill: %CL<def> %CL<kill> %ECX<kill>
+; CHECK-NEXT: retq
+ %cmp.i = icmp slt <3 x i8> %x, %a
+ %res = sext <3 x i1> %cmp.i to <3 x i8>
+ ret <3 x i8> %res
+}
+
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