[llvm] e070cf8 - [x86] add tests for extractelement with undef index (PR42689); NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 25 14:22:46 PDT 2019
Author: Sanjay Patel
Date: 2019-10-25T17:22:37-04:00
New Revision: e070cf81196d2415f2f64ddbdfed9a49d9b96245
URL: https://github.com/llvm/llvm-project/commit/e070cf81196d2415f2f64ddbdfed9a49d9b96245
DIFF: https://github.com/llvm/llvm-project/commit/e070cf81196d2415f2f64ddbdfed9a49d9b96245.diff
LOG: [x86] add tests for extractelement with undef index (PR42689); NFC
Added:
Modified:
llvm/test/CodeGen/X86/extractelement-index.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/extractelement-index.ll b/llvm/test/CodeGen/X86/extractelement-index.ll
index a34ea7fc37f7..c70949aa9d2e 100644
--- a/llvm/test/CodeGen/X86/extractelement-index.ll
+++ b/llvm/test/CodeGen/X86/extractelement-index.ll
@@ -8,6 +8,42 @@
; ExtractElement - Constant Index
;
+define i64 @extract_undef_index_from_zero_vec() nounwind {
+; SSE-LABEL: extract_undef_index_from_zero_vec:
+; SSE: # %bb.0:
+; SSE-NEXT: xorps %xmm0, %xmm0
+; SSE-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
+; SSE-NEXT: movq -{{[0-9]+}}(%rsp), %rax
+; SSE-NEXT: retq
+;
+; AVX-LABEL: extract_undef_index_from_zero_vec:
+; AVX: # %bb.0:
+; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
+; AVX-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AVX-NEXT: movq -{{[0-9]+}}(%rsp), %rax
+; AVX-NEXT: retq
+ %E = extractelement <2 x i64> zeroinitializer, i64 undef
+ ret i64 %E
+}
+
+define i64 @extract_undef_index_from_nonzero_vec() nounwind {
+; SSE-LABEL: extract_undef_index_from_nonzero_vec:
+; SSE: # %bb.0:
+; SSE-NEXT: pcmpeqd %xmm0, %xmm0
+; SSE-NEXT: movdqa %xmm0, -{{[0-9]+}}(%rsp)
+; SSE-NEXT: movq -{{[0-9]+}}(%rsp), %rax
+; SSE-NEXT: retq
+;
+; AVX-LABEL: extract_undef_index_from_nonzero_vec:
+; AVX: # %bb.0:
+; AVX-NEXT: vpcmpeqd %xmm0, %xmm0, %xmm0
+; AVX-NEXT: vmovdqa %xmm0, -{{[0-9]+}}(%rsp)
+; AVX-NEXT: movq -{{[0-9]+}}(%rsp), %rax
+; AVX-NEXT: retq
+ %E = extractelement <2 x i64> <i64 -1, i64 -1>, i64 undef
+ ret i64 %E
+}
+
define i8 @extractelement_v16i8_1(<16 x i8> %a) nounwind {
; SSE2-LABEL: extractelement_v16i8_1:
; SSE2: # %bb.0:
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