[clang][x86] Fix _mm512_popcnt_epi64 constexpr test

pedroclobo · pedroclobo · commit 385fa5588bf5 · 2025-08-07T11:17:41.000+01:00
The previous test incorrectly assumed 32-bit integers, leading to
incorrect bit counts. This change updates the test result to assume
64-bit integers.
diff --git a/clang/test/CodeGen/X86/avx512vpopcntdq-builtins.c b/clang/test/CodeGen/X86/avx512vpopcntdq-builtins.c
@@ -8,7 +8,7 @@ __m512i test_mm512_popcnt_epi64(__m512i __A) {
   // CHECK: @llvm.ctpop.v8i64
   return _mm512_popcnt_epi64(__A);
 }
-TEST_CONSTEXPR(match_v8di(_mm512_popcnt_epi64((__m512i)(__v8di){+5, -3, -10, +8, 0, -256, +256, -128}), 2, 31, 30, 1, 0, 24, 1, 25));
+TEST_CONSTEXPR(match_v8di(_mm512_popcnt_epi64((__m512i)(__v8di){+5, -3, -10, +8, 0, -256, +256, -128}), 2, 63, 62, 1, 0, 56, 1, 57));
 
 __m512i test_mm512_mask_popcnt_epi64(__m512i __W, __mmask8 __U, __m512i __A) {
   // CHECK-LABEL: @test_mm512_mask_popcnt_epi64

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@ __m512i test_mm512_popcnt_epi64(__m512i __A) {`
`8`	`8`	`// CHECK: @llvm.ctpop.v8i64`
`9`	`9`	`return _mm512_popcnt_epi64(__A);`
`10`	`10`	`}`
`11`		`-TEST_CONSTEXPR(match_v8di(_mm512_popcnt_epi64((__m512i)(__v8di){+5, -3, -10, +8, 0, -256, +256, -128}), 2, 31, 30, 1, 0, 24, 1, 25));`
	`11`	`+TEST_CONSTEXPR(match_v8di(_mm512_popcnt_epi64((__m512i)(__v8di){+5, -3, -10, +8, 0, -256, +256, -128}), 2, 63, 62, 1, 0, 56, 1, 57));`
`12`	`12`
`13`	`13`	`__m512i test_mm512_mask_popcnt_epi64(__m512i __W, __mmask8 __U, __m512i __A) {`
`14`	`14`	`// CHECK-LABEL: @test_mm512_mask_popcnt_epi64`