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 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]+]](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 17 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 23 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 30 31 define i32 @test_branch_weights(i32 %n) #0 { 32 entry: 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) 42 ret i32 %1 43 } 44 45 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) 46 47 declare void @foo2(i32*) 48 49 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) 50 51 attributes #0 = { sspstrong "stack-protector-buffer-size"="8" } 52
