| ; 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 |
| ; 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 |
| ; 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 |
| ; 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 |
| |
| ; DARWIN-SELDAG: # Machine code for function test_branch_weights: |
| ; DARWIN-SELDAG: successors: %bb.[[SUCCESS:[0-9]+]](0x7ffff800), %bb.[[FAILURE:[0-9]+]] |
| ; DARWIN-SELDAG: bb.[[FAILURE]]{{[0-9a-zA-Z_.]+}}: |
| ; DARWIN-SELDAG: CALL64pcrel32 &__stack_chk_fail |
| ; DARWIN-SELDAG: bb.[[SUCCESS]]{{[0-9a-zA-Z_.]+}}: |
| |
| ; DARWIN-IR: # Machine code for function test_branch_weights: |
| ; DARWIN-IR: successors: %bb.[[SUCCESS:[0-9]+]](0x7fffffff), %bb.[[FAILURE:[0-9]+]] |
| ; DARWIN-IR: bb.[[SUCCESS]]{{[0-9a-zA-Z_.]+}}: |
| ; DARWIN-IR: bb.[[FAILURE]]{{[0-9a-zA-Z_.]+}}: |
| ; DARWIN-IR: CALL64pcrel32 @__stack_chk_fail |
| |
| ; MSVC-SELDAG: # Machine code for function test_branch_weights: |
| ; MSVC-SELDAG: :: (volatile load 4 from @__security_cookie) |
| ; MSVC-SELDAG: (store 4 into stack) |
| ; MSVC-SELDAG: (volatile load 4 from %stack.0.StackGuardSlot) |
| ; MSVC-SELDAG: CALLpcrel32 @__security_check_cookie |
| |
| ; MSVC always uses selection DAG now. |
| ; MSVC-IR: # Machine code for function test_branch_weights: |
| ; MSVC-IR: :: (volatile load 4 from @__security_cookie) |
| ; MSVC-IR: (store 4 into stack) |
| ; MSVC-IR: (volatile load 4 from %stack.0.StackGuardSlot) |
| ; MSVC-IR: CALLpcrel32 @__security_check_cookie |
| |
| define i32 @test_branch_weights(i32 %n) #0 { |
| entry: |
| %a = alloca [128 x i32], align 16 |
| %0 = bitcast [128 x i32]* %a to i8* |
| call void @llvm.lifetime.start.p0i8(i64 512, i8* %0) |
| %arraydecay = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 0 |
| call void @foo2(i32* %arraydecay) |
| %idxprom = sext i32 %n to i64 |
| %arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 %idxprom |
| %1 = load i32, i32* %arrayidx, align 4 |
| call void @llvm.lifetime.end.p0i8(i64 512, i8* %0) |
| ret i32 %1 |
| } |
| |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) |
| |
| declare void @foo2(i32*) |
| |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) |
| |
| attributes #0 = { sspstrong "stack-protector-buffer-size"="8" } |