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=DARWIN-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=DARWIN-IR
3 ; RUN: llc -mtriple=i386-pc-windows-msvc -print-machineinstrs=expand-isel-pseudos -enable-selectiondag-sp=true %s -o /dev/null 2>&1 | FileCheck %s -check-prefix=MSVC-SELDAG
4 ; RUN: llc -mtriple=i386-pc-windows-msvc -print-machineinstrs=expand-isel-pseudos -enable-selectiondag-sp=false %s -o /dev/null 2>&1 | FileCheck %s -check-prefix=MSVC-IR
6 ; DARWIN-SELDAG: # Machine code for function test_branch_weights:
7 ; DARWIN-SELDAG: Successors according to CFG: %bb.[[SUCCESS:[0-9]+]]({{[0-9a-fx/= ]+}}100.00%) %bb.[[FAILURE:[0-9]+]]
8 ; DARWIN-SELDAG: %bb.[[FAILURE]]:
9 ; DARWIN-SELDAG: CALL64pcrel32 <es:__stack_chk_fail>
10 ; DARWIN-SELDAG: %bb.[[SUCCESS]]:
12 ; DARWIN-IR: # Machine code for function test_branch_weights:
13 ; DARWIN-IR: Successors according to CFG: %bb.[[SUCCESS:[0-9]+]]({{[0-9a-fx/= ]+}}100.00%) %bb.[[FAILURE:[0-9]+]]
14 ; DARWIN-IR: %bb.[[SUCCESS]]:
15 ; DARWIN-IR: %bb.[[FAILURE]]:
16 ; DARWIN-IR: CALL64pcrel32 <ga:@__stack_chk_fail>
18 ; MSVC-SELDAG: # Machine code for function test_branch_weights:
19 ; MSVC-SELDAG: mem:Volatile LD4[@__security_cookie]
20 ; MSVC-SELDAG: ST4[FixedStack0]
21 ; MSVC-SELDAG: LD4[FixedStack0]
22 ; MSVC-SELDAG: CALLpcrel32 <ga:@__security_check_cookie>
24 ; MSVC-IR: # Machine code for function test_branch_weights:
25 ; MSVC-IR: mem:Volatile LD4[@__security_cookie]
26 ; MSVC-IR: ST4[FixedStack0]
27 ; MSVC-IR: LD4[%StackGuardSlot]
28 ; MSVC-IR: CALLpcrel32 <ga:@__security_check_cookie>
30 define i32 @test_branch_weights(i32 %n) #0 {
32 %a = alloca [128 x i32], align 16
33 %0 = bitcast [128 x i32]* %a to i8*
34 call void @llvm.lifetime.start.p0i8(i64 512, i8* %0)
35 %arraydecay = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 0
36 call void @foo2(i32* %arraydecay)
37 %idxprom = sext i32 %n to i64
38 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 %idxprom
39 %1 = load i32, i32* %arrayidx, align 4
40 call void @llvm.lifetime.end.p0i8(i64 512, i8* %0)
44 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
46 declare void @foo2(i32*)
48 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
50 attributes #0 = { sspstrong "stack-protector-buffer-size"="8" }