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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 62; RUN: opt < %s -passes=gvn -S | FileCheck %s3 4%t = type { i32 }5declare void @test1f(ptr)6 7; `%stuff` is noalias, `test1f` receives only null, cannot clobber `%stuff`,8; thus the second load is dead.9define void @test1(ptr noalias %stuff) {10; CHECK-LABEL: define void @test1(11; CHECK-SAME: ptr noalias [[STUFF:%.*]]) {12; CHECK-NEXT: [[BEFORE:%.*]] = load i32, ptr [[STUFF]], align 413; CHECK-NEXT: call void @test1f(ptr null)14; CHECK-NEXT: [[SUM:%.*]] = add i32 [[BEFORE]], [[BEFORE]]15; CHECK-NEXT: store i32 [[SUM]], ptr [[STUFF]], align 416; CHECK-NEXT: ret void17;18 %before = load i32, ptr %stuff19 call void @test1f(ptr null)20 %after = load i32, ptr %stuff21 %sum = add i32 %before, %after22 store i32 %sum, ptr %stuff23 ret void24}25