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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -S -passes=newgvn < %s | FileCheck %s
; PR13694
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-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
declare ptr @malloc(i64) nounwind allockind("alloc,uninitialized") allocsize(0) "alloc-family"="malloc"
define noalias ptr @test1() nounwind uwtable ssp {
; CHECK-LABEL: define noalias ptr @test1(
; CHECK-SAME: ) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = tail call ptr @malloc(i64 100) #[[ATTR2:[0-9]+]]
; CHECK-NEXT: br i1 undef, label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i8 0, ptr [[CALL]], align 1
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret ptr [[CALL]]
;
entry:
%call = tail call ptr @malloc(i64 100) nounwind
%0 = load i8, ptr %call, align 1
%tobool = icmp eq i8 %0, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
store i8 0, ptr %call, align 1
br label %if.end
if.end: ; preds = %if.then, %entry
ret ptr %call
}
declare ptr @_Znwm(i64) nounwind
define noalias ptr @test2() nounwind uwtable ssp {
; CHECK-LABEL: define noalias ptr @test2(
; CHECK-SAME: ) #[[ATTR1]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = tail call ptr @_Znwm(i64 100) #[[ATTR2]]
; CHECK-NEXT: br i1 undef, label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i8 0, ptr [[CALL]], align 1
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret ptr [[CALL]]
;
entry:
%call = tail call ptr @_Znwm(i64 100) nounwind
%0 = load i8, ptr %call, align 1
%tobool = icmp eq i8 %0, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
store i8 0, ptr %call, align 1
br label %if.end
if.end: ; preds = %if.then, %entry
ret ptr %call
}
declare ptr @aligned_alloc(i64 allocalign, i64) nounwind allockind("alloc,uninitialized,aligned") allocsize(1) "alloc-family"="malloc"
define noalias ptr @test3() nounwind uwtable ssp {
; CHECK-LABEL: define noalias ptr @test3(
; CHECK-SAME: ) #[[ATTR1]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = tail call ptr @aligned_alloc(i64 256, i64 32) #[[ATTR2]]
; CHECK-NEXT: br i1 undef, label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i8 0, ptr [[CALL]], align 1
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret ptr [[CALL]]
;
entry:
%call = tail call ptr @aligned_alloc(i64 256, i64 32) nounwind
%0 = load i8, ptr %call, align 32
%tobool = icmp eq i8 %0, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
store i8 0, ptr %call, align 1
br label %if.end
if.end: ; preds = %if.then, %entry
ret ptr %call
}
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