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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=gvn -S -o - < %s | FileCheck --check-prefixes=CHECK,MDEP %s
; RUN: opt -passes='gvn<memoryssa;no-memdep>' -S -o - < %s | FileCheck --check-prefixes=CHECK,MSSA %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
declare void @use(ptr readonly nocapture)
define i8 @test() {
; MDEP-LABEL: define i8 @test() {
; MDEP-NEXT: [[A:%.*]] = alloca i8, align 1
; MDEP-NEXT: store i8 1, ptr [[A]], align 1
; MDEP-NEXT: call void @use(ptr [[A]])
; MDEP-NEXT: ret i8 1
;
; MSSA-LABEL: define i8 @test() {
; MSSA-NEXT: [[A:%.*]] = alloca i8, align 1
; MSSA-NEXT: store i8 1, ptr [[A]], align 1
; MSSA-NEXT: call void @use(ptr [[A]])
; MSSA-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 1
; MSSA-NEXT: ret i8 [[B]]
;
%a = alloca i8
store i8 1, ptr %a
call void @use(ptr %a)
%b = load i8, ptr %a
ret i8 %b
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}
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