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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes='early-cse<memssa>' -S %s | FileCheck %s
declare void @foo(ptr)
define ptr @align_replacement_does_not_have_align_metadata(ptr noalias %p) {
; CHECK-LABEL: define ptr @align_replacement_does_not_have_align_metadata(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: [[L_1:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT: call void @foo(ptr [[L_1]])
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[L_1]], i64 4
; CHECK-NEXT: store ptr [[GEP]], ptr [[P]], align 8
; CHECK-NEXT: ret ptr [[GEP]]
;
%l.1 = load ptr, ptr %p, align 8
call void @foo(ptr %l.1)
%l.2 = load ptr, ptr %p, align 8
%gep = getelementptr i8, ptr %l.2, i64 4
store ptr %gep, ptr %p, align 8
%l.3 = load ptr, ptr %p, align 8, !align !0
ret ptr %l.3
}
define ptr @align_replacement_does_not_have_align_metadata2(ptr noalias %p) {
; CHECK-LABEL: define ptr @align_replacement_does_not_have_align_metadata2(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: [[L_1:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[L_1]], i64 4
; CHECK-NEXT: store ptr [[GEP]], ptr [[P]], align 8
; CHECK-NEXT: ret ptr [[GEP]]
;
%l.1 = load ptr, ptr %p, align 8
%gep = getelementptr i8, ptr %l.1, i64 4
store ptr %gep, ptr %p, align 8
%l.2 = load ptr, ptr %p, align 8, !align !0
ret ptr %l.2
}
define ptr @align_replacement_has_same_alignment(ptr noalias %p) {
; CHECK-LABEL: define ptr @align_replacement_has_same_alignment(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: [[L_1:%.*]] = load ptr, ptr [[P]], align 8, !align [[META0:![0-9]+]]
; CHECK-NEXT: call void @foo(ptr [[L_1]])
; CHECK-NEXT: ret ptr [[L_1]]
;
%l.1 = load ptr, ptr %p, align 8, !align !0
call void @foo(ptr %l.1)
%l.2 = load ptr, ptr %p, align 8, !align !0
ret ptr %l.2
}
define ptr @align_replacement_has_smaller_alignment(ptr noalias %p) {
; CHECK-LABEL: define ptr @align_replacement_has_smaller_alignment(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: [[L_1:%.*]] = load ptr, ptr [[P]], align 8, !align [[META0]]
; CHECK-NEXT: call void @foo(ptr [[L_1]])
; CHECK-NEXT: ret ptr [[L_1]]
;
%l.1 = load ptr, ptr %p, align 8, !align !0
call void @foo(ptr %l.1)
%l.2 = load ptr, ptr %p, align 8, !align !1
ret ptr %l.2
}
define ptr @align_replacement_has_larger_alignment(ptr %p) {
; CHECK-LABEL: define ptr @align_replacement_has_larger_alignment(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[L_1:%.*]] = load ptr, ptr [[P]], align 8, !align [[META1:![0-9]+]]
; CHECK-NEXT: call void @foo(ptr [[L_1]])
; CHECK-NEXT: [[L_2:%.*]] = load ptr, ptr [[P]], align 8, !align [[META0]]
; CHECK-NEXT: ret ptr [[L_2]]
;
%l.1 = load ptr, ptr %p, align 8, !align !1
call void @foo(ptr %l.1)
%l.2 = load ptr, ptr %p, align 8, !align !0
ret ptr %l.2
}
define ptr @align_1(ptr %p) {
; CHECK-LABEL: define ptr @align_1(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[L_1:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT: call void @foo(ptr [[L_1]])
; CHECK-NEXT: [[L_2:%.*]] = load ptr, ptr [[P]], align 8, !align [[META2:![0-9]+]]
; CHECK-NEXT: ret ptr [[L_2]]
;
%l.1 = load ptr, ptr %p, align 8
call void @foo(ptr %l.1)
%l.2 = load ptr, ptr %p, align 8, !align !2
ret ptr %l.2
}
!0 = !{i64 4}
!1 = !{i64 8}
!2 = !{i64 1}
;.
; CHECK: [[META0]] = !{i64 4}
; CHECK: [[META1]] = !{i64 8}
; CHECK: [[META2]] = !{i64 1}
;.
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