| ; 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 according to CFG: BB#[[SUCCESS:[0-9]+]]({{[0-9a-fx/= ]+}}100.00%) BB#[[FAILURE:[0-9]+]] |
| ; DARWIN-SELDAG: BB#[[FAILURE]]: |
| ; DARWIN-SELDAG: CALL64pcrel32 <es:__stack_chk_fail> |
| ; DARWIN-SELDAG: BB#[[SUCCESS]]: |
| |
| ; DARWIN-IR: # Machine code for function test_branch_weights: |
| ; DARWIN-IR: Successors according to CFG: BB#[[SUCCESS:[0-9]+]]({{[0-9a-fx/= ]+}}100.00%) BB#[[FAILURE:[0-9]+]] |
| ; DARWIN-IR: BB#[[SUCCESS]]: |
| ; DARWIN-IR: BB#[[FAILURE]]: |
| ; DARWIN-IR: CALL64pcrel32 <ga:@__stack_chk_fail> |
| |
| ; MSVC-SELDAG: # Machine code for function test_branch_weights: |
| ; MSVC-SELDAG: mem:Volatile LD4[@__security_cookie] |
| ; MSVC-SELDAG: ST4[FixedStack0] |
| ; MSVC-SELDAG: LD4[FixedStack0] |
| ; MSVC-SELDAG: CALLpcrel32 <ga:@__security_check_cookie> |
| |
| ; MSVC-IR: # Machine code for function test_branch_weights: |
| ; MSVC-IR: mem:Volatile LD4[@__security_cookie] |
| ; MSVC-IR: ST4[FixedStack0] |
| ; MSVC-IR: LD4[%StackGuardSlot] |
| ; MSVC-IR: CALLpcrel32 <ga:@__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" } |