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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt --instcombine -lower-constant-intrinsics -S < %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare i64 @llvm.objectsize.i64.p0i8(i8*, i1 immarg, i1 immarg, i1 immarg)
define dso_local i64 @check_store_load(i1 %cond) local_unnamed_addr {
; CHECK-LABEL: @check_store_load(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR01:%.*]] = alloca [10 x i8], align 1
; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: [[PTR01_SUB:%.*]] = getelementptr inbounds [10 x i8], [10 x i8]* [[PTR01]], i64 0, i64 0
; CHECK-NEXT: br label [[RETURN:%.*]]
; CHECK: if.end:
; CHECK-NEXT: [[PTR12:%.*]] = alloca [12 x i8], align 1
; CHECK-NEXT: [[PTR12_SUB:%.*]] = getelementptr inbounds [12 x i8], [12 x i8]* [[PTR12]], i64 0, i64 0
; CHECK-NEXT: br label [[RETURN]]
; CHECK: return:
; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i8* [ [[PTR12_SUB]], [[IF_END]] ], [ [[PTR01_SUB]], [[IF_THEN]] ]
; CHECK-NEXT: ret i64 12
;
entry:
%holder = alloca i8*
%ptr0 = alloca i8, i64 10
br i1 %cond, label %if.then, label %if.end
if.then:
store i8* %ptr0, i8** %holder
br label %return
if.end:
%ptr1 = alloca i8, i64 12
store i8* %ptr1, i8** %holder
br label %return
return:
%held = load i8*, i8** %holder
%objsize = call i64 @llvm.objectsize.i64.p0i8(i8* %held, i1 false, i1 true, i1 false)
ret i64 %objsize
}
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