================
@@ -42,39 +43,70 @@ __m512i test_mm512_maskz_conflict_epi32(__mmask16 __U,
__m512i __A) {
}
__m512i test_mm512_lzcnt_epi32(__m512i __A) {
// CHECK-LABEL: test_mm512_lzcnt_epi32
- // CHECK: call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %{{.*}}, i1 false)
+ // CHECK: call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %{{.*}}, i1 true)
+ // CHECK: icmp eq <16 x i32> %{{.*}}, zeroinitializer
+ // CHECK: select <16 x i1> %{{.*}}, <16 x i32> %{{.*}}, <16 x i32> %{{.*}}
return _mm512_lzcnt_epi32(__A);
----------------
moorabbit wrote:
Thx for the suggestion. Tried to implement it in a new commit.
LMK if it would be better to avoid redefining `[[ISZERO]]` each time and
instead reuse the existing value whenever possible.
https://github.com/llvm/llvm-project/pull/155089
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