forked from OSchip/llvm-project
52 lines
2.4 KiB
LLVM
52 lines
2.4 KiB
LLVM
; 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 &__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 @__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 @__security_check_cookie
|
|
|
|
; MSVC always uses selection DAG now.
|
|
; MSVC-IR: # Machine code for function test_branch_weights:
|
|
; MSVC-IR: mem:Volatile LD4[@__security_cookie]
|
|
; MSVC-IR: ST4[FixedStack0]
|
|
; MSVC-IR: LD4[FixedStack0]
|
|
; 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" }
|