52 lines
2.5 KiB
LLVM
52 lines
2.5 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
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; 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
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; 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
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; 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
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; DARWIN-SELDAG: # Machine code for function test_branch_weights:
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; DARWIN-SELDAG: successors: %bb.[[SUCCESS:[0-9]+]](0x7ffff800), %bb.[[FAILURE:[0-9]+]]
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; DARWIN-SELDAG: bb.[[FAILURE]]{{[0-9a-zA-Z_.]+}}:
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; DARWIN-SELDAG: CALL64pcrel32 &__stack_chk_fail
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; DARWIN-SELDAG: bb.[[SUCCESS]]{{[0-9a-zA-Z_.]+}}:
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; DARWIN-IR: # Machine code for function test_branch_weights:
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; DARWIN-IR: successors: %bb.[[SUCCESS:[0-9]+]](0x7fffffff), %bb.[[FAILURE:[0-9]+]]
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; DARWIN-IR: bb.[[SUCCESS]]{{[0-9a-zA-Z_.]+}}:
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; DARWIN-IR: bb.[[FAILURE]]{{[0-9a-zA-Z_.]+}}:
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; DARWIN-IR: CALL64pcrel32 @__stack_chk_fail
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; MSVC-SELDAG: # Machine code for function test_branch_weights:
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; MSVC-SELDAG: :: (volatile load 4 from @__security_cookie)
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; MSVC-SELDAG: (store 4 into stack)
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; MSVC-SELDAG: (volatile load 4 from %stack.0.StackGuardSlot)
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; MSVC-SELDAG: CALLpcrel32 @__security_check_cookie
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; MSVC always uses selection DAG now.
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; MSVC-IR: # Machine code for function test_branch_weights:
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; MSVC-IR: :: (volatile load 4 from @__security_cookie)
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; MSVC-IR: (store 4 into stack)
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; MSVC-IR: (volatile load 4 from %stack.0.StackGuardSlot)
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; MSVC-IR: CALLpcrel32 @__security_check_cookie
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define i32 @test_branch_weights(i32 %n) #0 {
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entry:
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%a = alloca [128 x i32], align 16
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%0 = bitcast [128 x i32]* %a to i8*
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call void @llvm.lifetime.start.p0i8(i64 512, i8* %0)
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%arraydecay = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 0
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call void @foo2(i32* %arraydecay)
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %a, i64 0, i64 %idxprom
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%1 = load i32, i32* %arrayidx, align 4
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call void @llvm.lifetime.end.p0i8(i64 512, i8* %0)
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ret i32 %1
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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declare void @foo2(i32*)
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
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attributes #0 = { sspstrong "stack-protector-buffer-size"="8" }
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