================
@@ -151,3 +151,17 @@ define void @pointer_cmpxchg_expand6(ptr addrspace(1) %ptr,
ret void
}
+define <2 x ptr> @atomic_vec2_ptr_align(ptr %x) nounwind {
+; CHECK-LABEL: @atomic_vec2_ptr_align(
+; CHECK-NEXT: [[TMP1:%.*]] = call i128 @__atomic_load_16(ptr [[X:%.*]], i32
2)
+; CHECK-NEXT: [[TMP2:%.*]] = trunc i128 [[TMP1]] to i64
+; CHECK-NEXT: [[TMP3:%.*]] = lshr i128 [[TMP1]], 64
+; CHECK-NEXT: [[TMP4:%.*]] = trunc i128 [[TMP3]] to i64
+; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x i64> poison, i64 [[TMP2]],
i32 0
+; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x i64> [[TMP5]], i64
[[TMP4]], i32 1
+; CHECK-NEXT: [[TMP7:%.*]] = inttoptr <2 x i64> [[TMP6]] to <2 x ptr>
----------------
arsenm wrote:
I don't understand why you need to do all this work to decompose the integer
into pieces. You can just do bitcast i128 to `<2 x ptr>` and then `inttoptr <2
x i64> to <2 x ptr>`?
https://github.com/llvm/llvm-project/pull/120716
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