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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=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 dso_local noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr allocsize(0)
declare i64 @llvm.objectsize.i64.p0(ptr, i1 immarg, i1 immarg, i1 immarg)
@buffer = dso_local global [4 x i8] zeroinitializer, align 1
define dso_local i64 @pick_max(i32 noundef %n) local_unnamed_addr {
; CHECK-LABEL: @pick_max(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[COND]], label [[IF_ELSE:%.*]], label [[IF_END:%.*]]
; CHECK: if.else:
; CHECK-NEXT: [[MALLOCED:%.*]] = call noalias dereferenceable_or_null(8) ptr @malloc(i64 noundef 8)
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[MALLOCED]], [[IF_ELSE]] ], [ @buffer, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret i64 8
;
entry:
%cond = icmp eq i32 %n, 0
br i1 %cond, label %if.else, label %if.end
if.else:
%malloced = call noalias dereferenceable_or_null(8) ptr @malloc(i64 noundef 8)
br label %if.end
if.end:
%p = phi ptr [ %malloced, %if.else ], [ @buffer, %entry ]
%size = call i64 @llvm.objectsize.i64.p0(ptr %p, i1 false, i1 true, i1 false)
ret i64 %size
}
define dso_local i64 @pick_min(i32 noundef %n) local_unnamed_addr {
; CHECK-LABEL: @pick_min(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[COND]], label [[IF_ELSE:%.*]], label [[IF_END:%.*]]
; CHECK: if.else:
; CHECK-NEXT: [[MALLOCED:%.*]] = call noalias dereferenceable_or_null(8) ptr @malloc(i64 noundef 8)
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[MALLOCED]], [[IF_ELSE]] ], [ @buffer, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret i64 4
;
entry:
%cond = icmp eq i32 %n, 0
br i1 %cond, label %if.else, label %if.end
if.else:
%malloced = call noalias dereferenceable_or_null(8) ptr @malloc(i64 noundef 8)
br label %if.end
if.end:
%p = phi ptr [ %malloced, %if.else ], [ @buffer, %entry ]
%size = call i64 @llvm.objectsize.i64.p0(ptr %p, i1 true, i1 true, i1 false)
ret i64 %size
}
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