1 ; RUN: llc -mtriple=x86_64-apple-darwin -print-after=finalize-isel -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-after=finalize-isel -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-after=finalize-isel -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-after=finalize-isel -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: %bb.[[SUCCESS:[0-9]+]](0x7ffff800), %bb.[[FAILURE:[0-9]+]]
8 ; DARWIN-SELDAG: bb.[[FAILURE]]{{[0-9a-zA-Z_.]+}}:
9 ; DARWIN-SELDAG: CALL64pcrel32 &__stack_chk_fail
10 ; DARWIN-SELDAG: bb.[[SUCCESS]]{{[0-9a-zA-Z_.]+}}:
12 ; DARWIN-IR: # Machine code for function test_branch_weights:
13 ; DARWIN-IR: successors: %bb.[[SUCCESS:[0-9]+]](0x7fffffff), %bb.[[FAILURE:[0-9]+]]
14 ; DARWIN-IR: bb.[[SUCCESS]]{{[0-9a-zA-Z_.]+}}:
15 ; DARWIN-IR: bb.[[FAILURE]]{{[0-9a-zA-Z_.]+}}:
16 ; DARWIN-IR: CALL64pcrel32 @__stack_chk_fail
18 ; MSVC-SELDAG: # Machine code for function test_branch_weights:
19 ; MSVC-SELDAG: :: (volatile load 4 from @__security_cookie)
20 ; MSVC-SELDAG: (store 4 into stack)
21 ; MSVC-SELDAG: (volatile load 4 from %stack.0.StackGuardSlot)
22 ; MSVC-SELDAG: CALLpcrel32 @__security_check_cookie
24 ; MSVC always uses selection DAG now.
25 ; MSVC-IR: # Machine code for function test_branch_weights:
26 ; MSVC-IR: :: (volatile load 4 from @__security_cookie)
27 ; MSVC-IR: (store 4 into stack)
28 ; MSVC-IR: (volatile load 4 from %stack.0.StackGuardSlot)
29 ; MSVC-IR: CALLpcrel32 @__security_check_cookie
31 define i32 @test_branch_weights(i32 %n) #0 {
33 %a = alloca [128 x i32], align 16
34 %0 = bitcast [128 x i32]* %a to i8*
35 call void @llvm.lifetime.start.p0i8(i64 512, i8* %0)
36 %arraydecay = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 0
37 call void @foo2(i32* %arraydecay)
38 %idxprom = sext i32 %n to i64
39 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 %idxprom
40 %1 = load i32, i32* %arrayidx, align 4
41 call void @llvm.lifetime.end.p0i8(i64 512, i8* %0)
45 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
47 declare void @foo2(i32*)
49 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
51 attributes #0 = { sspstrong "stack-protector-buffer-size"="8" }