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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=gvn -S %s | FileCheck %s
;
;Check that !noundef metadata is combined.
define i32 @one_noundef(ptr %p) {
; CHECK-LABEL: @one_noundef(
; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P:%.*]], align 4, !noundef !0
; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT: ret i32 [[C]]
;
%a = load i32, ptr %p, !noundef !0
%b = load i32, ptr %p
%c = add i32 %a, %b
ret i32 %c
}
define i32 @both_noundef(ptr %p) {
; CHECK-LABEL: @both_noundef(
; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[P:%.*]], align 4, !noundef !0
; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[A]]
; CHECK-NEXT: ret i32 [[C]]
;
%a = load i32, ptr %p, !noundef !0
%b = load i32, ptr %p, !noundef !0
%c = add i32 %a, %b
ret i32 %c
}
!0 = !{}
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