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 5 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_.]+}}: 11 12; DARWIN-IR: # Machine code for function test_branch_weights: 13; DARWIN-IR: successors: %bb.[[SUCCESS:[0-9]+]](0x7ffff800), %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 17 18; MSVC-SELDAG: # Machine code for function test_branch_weights: 19; MSVC-SELDAG: :: (volatile load (s32) from @__security_cookie) 20; MSVC-SELDAG: (store (s32) into stack) 21; MSVC-SELDAG: (volatile load (s32) from %stack.0.StackGuardSlot) 22; MSVC-SELDAG: CALLpcrel32 @__security_check_cookie 23 24; MSVC always uses selection DAG now. 25; MSVC-IR: # Machine code for function test_branch_weights: 26; MSVC-IR: :: (volatile load (s32) from @__security_cookie) 27; MSVC-IR: (store (s32) into stack) 28; MSVC-IR: (volatile load (s32) from %stack.0.StackGuardSlot) 29; MSVC-IR: CALLpcrel32 @__security_check_cookie 30 31define i32 @test_branch_weights(i32 %n) #0 { 32entry: 33 %a = alloca [128 x i32], align 16 34 call void @llvm.lifetime.start.p0(i64 512, ptr %a) 35 call void @foo2(ptr %a) 36 %idxprom = sext i32 %n to i64 37 %arrayidx = getelementptr inbounds [128 x i32], ptr %a, i64 0, i64 %idxprom 38 %0 = load i32, ptr %arrayidx, align 4 39 call void @llvm.lifetime.end.p0(i64 512, ptr %a) 40 ret i32 %0 41} 42 43declare void @llvm.lifetime.start.p0(i64, ptr nocapture) 44 45declare void @foo2(ptr) 46 47declare void @llvm.lifetime.end.p0(i64, ptr nocapture) 48 49attributes #0 = { sspstrong "stack-protector-buffer-size"="8" } 50