forked from OSchip/llvm-project
37 lines
1.0 KiB
LLVM
37 lines
1.0 KiB
LLVM
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; RUN: llc -mtriple=x86_64-windows-gnu -exception-model=dwarf < %s | FileCheck %s
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%struct.A = type { [4096 x i8] }
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@a = common global i32 0, align 4
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@b = common global i32 0, align 4
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define void @fn1() nounwind uwtable {
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entry:
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%ctx = alloca %struct.A, align 1
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%0 = load i32, i32* @a, align 4
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%tobool = icmp eq i32 %0, 0
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%div = sdiv i32 %0, 6
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%cond = select i1 %tobool, i32 %div, i32 %0
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store i32 %cond, i32* @b, align 4
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%1 = getelementptr inbounds %struct.A, %struct.A* %ctx, i64 0, i32 0, i64 0
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call void @llvm.lifetime.start.p0i8(i64 4096, i8* nonnull %1)
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%2 = ptrtoint %struct.A* %ctx to i64
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%3 = trunc i64 %2 to i32
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call void @fn2(i32 %3)
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call void @llvm.lifetime.end.p0i8(i64 4096, i8* nonnull %1)
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ret void
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}
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declare void @fn2(i32)
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
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; CHECK-LABEL: fn1:
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; CHECK: pushq %rax
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; CHECK: movl $4128, %eax
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; CHECK: callq ___chkstk_ms
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; CHECK: subq %rax, %rsp
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; CHECK: movq 4128(%rsp), %rax
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; CHECK: addq $4136, %rsp
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