1; RUN: llc -mtriple=x86_64-apple-darwin -print-machineinstrs=expand-isel-pseudos -enable-selectiondag-sp=true %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=SELDAG
2; RUN: llc -mtriple=x86_64-apple-darwin -print-machineinstrs=expand-isel-pseudos -enable-selectiondag-sp=false %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=IR
3
4; SELDAG: # Machine code for function test_branch_weights:
5; SELDAG: Successors according to CFG: BB#[[SUCCESS:[0-9]+]](1048575) BB#[[FAILURE:[0-9]+]](1)
6; SELDAG: BB#[[FAILURE]]:
7; SELDAG: CALL64pcrel32 <es:__stack_chk_fail>
8; SELDAG: BB#[[SUCCESS]]:
9
10; IR: # Machine code for function test_branch_weights:
11; IR: Successors according to CFG: BB#[[SUCCESS:[0-9]+]](1048575) BB#[[FAILURE:[0-9]+]](1)
12; IR: BB#[[SUCCESS]]:
13; IR: BB#[[FAILURE]]:
14; IR: CALL64pcrel32 <ga:@__stack_chk_fail>
15
16define i32 @test_branch_weights(i32 %n) #0 {
17entry:
18  %a = alloca [128 x i32], align 16
19  %0 = bitcast [128 x i32]* %a to i8*
20  call void @llvm.lifetime.start(i64 512, i8* %0)
21  %arraydecay = getelementptr inbounds [128 x i32]* %a, i64 0, i64 0
22  call void @foo2(i32* %arraydecay)
23  %idxprom = sext i32 %n to i64
24  %arrayidx = getelementptr inbounds [128 x i32]* %a, i64 0, i64 %idxprom
25  %1 = load i32* %arrayidx, align 4
26  call void @llvm.lifetime.end(i64 512, i8* %0)
27  ret i32 %1
28}
29
30declare void @llvm.lifetime.start(i64, i8* nocapture)
31
32declare void @foo2(i32*)
33
34declare void @llvm.lifetime.end(i64, i8* nocapture)
35
36attributes #0 = { ssp "stack-protector-buffer-size"="8" }
37