forked from OSchip/llvm-project
38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
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; RUN: llc < %s -enable-shrink-wrap=true | FileCheck %s
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; chkstk cannot come before the usual prologue, since it adjusts ESP.
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i686-pc-windows-msvc18.0.0"
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%struct.S = type { [12 x i8] }
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define x86_thiscallcc void @call_inalloca(i1 %x) {
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entry:
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%argmem = alloca inalloca <{ %struct.S }>, align 4
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%argidx1 = getelementptr inbounds <{ %struct.S }>, <{ %struct.S }>* %argmem, i32 0, i32 0, i32 0, i32 0
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%argidx2 = getelementptr inbounds <{ %struct.S }>, <{ %struct.S }>* %argmem, i32 0, i32 0, i32 0, i32 1
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store i8 42, i8* %argidx2, align 4
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br i1 %x, label %bb1, label %bb2
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bb1:
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store i8 42, i8* %argidx1, align 4
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br label %bb2
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bb2:
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call void @inalloca_params(<{ %struct.S }>* inalloca nonnull %argmem)
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ret void
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}
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; CHECK-LABEL: _call_inalloca: # @call_inalloca
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; CHECK: pushl %ebp
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; CHECK: movl %esp, %ebp
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; CHECK: movl $12, %eax
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; CHECK: calll __chkstk
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; CHECK: calll _inalloca_params
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; CHECK: movl %ebp, %esp
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; CHECK: popl %ebp
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; CHECK: retl
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declare void @inalloca_params(<{ %struct.S }>* inalloca)
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