================
@@ -28,3 +28,102 @@ define i32 @test3(ptr %ptr) {
%val = load atomic i32, ptr %ptr seq_cst, align 4
ret i32 %val
}
+
+define <1 x i32> @atomic_vec1_i32(ptr %x) {
+; CHECK-LABEL: atomic_vec1_i32:
+; CHECK: ## %bb.0:
+; CHECK-NEXT: movl (%rdi), %eax
+; CHECK-NEXT: retq
+ %ret = load atomic <1 x i32>, ptr %x acquire, align 4
+ ret <1 x i32> %ret
+}
+
+define <1 x i8> @atomic_vec1_i8(ptr %x) {
+; CHECK3-LABEL: atomic_vec1_i8:
+; CHECK3: ## %bb.0:
+; CHECK3-NEXT: movzbl (%rdi), %eax
+; CHECK3-NEXT: retq
+;
+; CHECK0-LABEL: atomic_vec1_i8:
+; CHECK0: ## %bb.0:
+; CHECK0-NEXT: movb (%rdi), %al
+; CHECK0-NEXT: retq
+ %ret = load atomic <1 x i8>, ptr %x acquire, align 4
+ ret <1 x i8> %ret
+}
+
+define <1 x i16> @atomic_vec1_i16(ptr %x) {
+; CHECK3-LABEL: atomic_vec1_i16:
+; CHECK3: ## %bb.0:
+; CHECK3-NEXT: movzwl (%rdi), %eax
+; CHECK3-NEXT: retq
+;
+; CHECK0-LABEL: atomic_vec1_i16:
+; CHECK0: ## %bb.0:
+; CHECK0-NEXT: movw (%rdi), %ax
+; CHECK0-NEXT: retq
+ %ret = load atomic <1 x i16>, ptr %x acquire, align 4
+ ret <1 x i16> %ret
+}
+
+define <1 x i32> @atomic_vec1_i8_zext(ptr %x) {
+; CHECK3-LABEL: atomic_vec1_i8_zext:
+; CHECK3: ## %bb.0:
+; CHECK3-NEXT: movzbl (%rdi), %eax
+; CHECK3-NEXT: movzbl %al, %eax
+; CHECK3-NEXT: retq
+;
+; CHECK0-LABEL: atomic_vec1_i8_zext:
+; CHECK0: ## %bb.0:
+; CHECK0-NEXT: movb (%rdi), %al
+; CHECK0-NEXT: movzbl %al, %eax
+; CHECK0-NEXT: retq
+ %ret = load atomic <1 x i8>, ptr %x acquire, align 4
+ %zret = zext <1 x i8> %ret to <1 x i32>
+ ret <1 x i32> %zret
+}
+
+define <1 x i64> @atomic_vec1_i16_sext(ptr %x) {
+; CHECK3-LABEL: atomic_vec1_i16_sext:
+; CHECK3: ## %bb.0:
+; CHECK3-NEXT: movzwl (%rdi), %eax
+; CHECK3-NEXT: movswq %ax, %rax
+; CHECK3-NEXT: retq
+;
+; CHECK0-LABEL: atomic_vec1_i16_sext:
+; CHECK0: ## %bb.0:
+; CHECK0-NEXT: movw (%rdi), %ax
+; CHECK0-NEXT: movswq %ax, %rax
+; CHECK0-NEXT: retq
+ %ret = load atomic <1 x i16>, ptr %x acquire, align 4
+ %sret = sext <1 x i16> %ret to <1 x i64>
+ ret <1 x i64> %sret
+}
+
+define <1 x ptr addrspace(270)> @atomic_vec1_ptr270(ptr %x) {
+; CHECK-LABEL: atomic_vec1_ptr270:
+; CHECK: ## %bb.0:
+; CHECK-NEXT: movl (%rdi), %eax
+; CHECK-NEXT: retq
+ %ret = load atomic <1 x ptr addrspace(270)>, ptr %x acquire, align 4
+ ret <1 x ptr addrspace(270)> %ret
+}
+
+define <1 x bfloat> @atomic_vec1_bfloat(ptr %x) {
+; CHECK3-LABEL: atomic_vec1_bfloat:
+; CHECK3: ## %bb.0:
+; CHECK3-NEXT: movzwl (%rdi), %eax
+; CHECK3-NEXT: pinsrw $0, %eax, %xmm0
+; CHECK3-NEXT: retq
+;
+; CHECK0-LABEL: atomic_vec1_bfloat:
+; CHECK0: ## %bb.0:
+; CHECK0-NEXT: movw (%rdi), %cx
+; CHECK0-NEXT: ## implicit-def: $eax
+; CHECK0-NEXT: movw %cx, %ax
+; CHECK0-NEXT: ## implicit-def: $xmm0
+; CHECK0-NEXT: pinsrw $0, %eax, %xmm0
+; CHECK0-NEXT: retq
+ %ret = load atomic <1 x bfloat>, ptr %x acquire, align 4
----------------
arsenm wrote:
Overaligned
https://github.com/llvm/llvm-project/pull/120385
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