[X86][AVX512] Relax assertion and just exit combine for unsupported types (PR32907)
llvm-svn: 302361
diff --git a/llvm/test/CodeGen/X86/pr32907.ll b/llvm/test/CodeGen/X86/pr32907.ll
new file mode 100644
index 0000000..bc03fbe
--- /dev/null
+++ b/llvm/test/CodeGen/X86/pr32907.ll
@@ -0,0 +1,54 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE42
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX --check-prefix=AVX512
+
+define <2 x i64> @PR32907(<2 x i64> %astype.i, <2 x i64> %astype6.i) {
+; SSE-LABEL: PR32907:
+; SSE: # BB#0: # %entry
+; SSE-NEXT: psubq %xmm1, %xmm0
+; SSE-NEXT: movdqa %xmm0, %xmm1
+; SSE-NEXT: psrad $31, %xmm1
+; SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,1,3,3]
+; SSE-NEXT: pxor %xmm1, %xmm1
+; SSE-NEXT: psubq %xmm0, %xmm1
+; SSE-NEXT: pand %xmm2, %xmm1
+; SSE-NEXT: pandn %xmm0, %xmm2
+; SSE-NEXT: por %xmm2, %xmm1
+; SSE-NEXT: movdqa %xmm1, %xmm0
+; SSE-NEXT: retq
+;
+; AVX2-LABEL: PR32907:
+; AVX2: # BB#0: # %entry
+; AVX2-NEXT: vpsubq %xmm1, %xmm0, %xmm0
+; AVX2-NEXT: vpsrad $31, %xmm0, %xmm1
+; AVX2-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; AVX2-NEXT: vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT: vpsubq %xmm0, %xmm2, %xmm2
+; AVX2-NEXT: vpandn %xmm0, %xmm1, %xmm0
+; AVX2-NEXT: vpand %xmm2, %xmm1, %xmm1
+; AVX2-NEXT: vpor %xmm1, %xmm0, %xmm0
+; AVX2-NEXT: retq
+;
+; AVX512-LABEL: PR32907:
+; AVX512: # BB#0: # %entry
+; AVX512-NEXT: vpsubq %xmm1, %xmm0, %xmm0
+; AVX512-NEXT: vpsraq $63, %zmm0, %zmm1
+; AVX512-NEXT: vpxor %xmm2, %xmm2, %xmm2
+; AVX512-NEXT: vpsubq %xmm0, %xmm2, %xmm2
+; AVX512-NEXT: vpandn %xmm0, %xmm1, %xmm0
+; AVX512-NEXT: vpand %xmm2, %xmm1, %xmm1
+; AVX512-NEXT: vpor %xmm1, %xmm0, %xmm0
+; AVX512-NEXT: vzeroupper
+; AVX512-NEXT: retq
+entry:
+ %sub13.i = sub <2 x i64> %astype.i, %astype6.i
+ %x.lobit.i.i = ashr <2 x i64> %sub13.i, <i64 63, i64 63>
+ %sub.i.i = sub <2 x i64> zeroinitializer, %sub13.i
+ %0 = xor <2 x i64> %x.lobit.i.i, <i64 -1, i64 -1>
+ %1 = and <2 x i64> %sub13.i, %0
+ %2 = and <2 x i64> %x.lobit.i.i, %sub.i.i
+ %cond.i.i = or <2 x i64> %1, %2
+ ret <2 x i64> %cond.i.i
+}