; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt -S -p 'require,codegenprepare' -cgpp-huge-func=0 < %s | FileCheck %s target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" target triple = "x86_64-grtev4-linux-gnu" declare void @g(ptr) ; %load and %load5 use the same address, %load5 is optimized first, %load is ; optimized later and reuse the same address computation instruction. We must ; make sure not to generate use before def error. define void @f(ptr %arg) { ; CHECK-LABEL: define void @f( ; CHECK-SAME: ptr [[ARG:%.*]]) { ; CHECK-NEXT: [[BB:.*:]] ; CHECK-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr i8, ptr [[ARG]], i64 -64 ; CHECK-NEXT: call void @g(ptr [[GETELEMENTPTR]]) ; CHECK-NEXT: [[SUNKADDR1:%.*]] = getelementptr i8, ptr [[ARG]], i64 -64 ; CHECK-NEXT: [[LOAD:%.*]] = load ptr, ptr [[SUNKADDR1]], align 8 ; CHECK-NEXT: [[SUNKADDR:%.*]] = getelementptr i8, ptr [[ARG]], i64 -56 ; CHECK-NEXT: [[LOAD4:%.*]] = load i32, ptr [[SUNKADDR]], align 8 ; CHECK-NEXT: [[LOAD5:%.*]] = load ptr, ptr [[SUNKADDR1]], align 8 ; CHECK-NEXT: [[TMP0:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 1, i32 0) ; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0 ; CHECK-NEXT: ret void ; bb: %getelementptr = getelementptr i8, ptr %arg, i64 -64 %getelementptr1 = getelementptr i8, ptr %arg, i64 -56 call void @g(ptr %getelementptr) br label %bb3 bb3: %load = load ptr, ptr %getelementptr, align 8 %load4 = load i32, ptr %getelementptr1, align 8 %load5 = load ptr, ptr %getelementptr, align 8 %add = add i32 1, 0 %icmp = icmp eq i32 %add, 0 br i1 %icmp, label %bb7, label %bb7 bb7: ret void }