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54 lines
1.3 KiB
LLVM
54 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s
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; Verify that the var arg parameters which are passed in registers are stored
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; in home stack slots allocated by the caller and that AP is correctly
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; calculated.
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define void @average_va(i32 %count, ...) nounwind {
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entry:
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; CHECK: pushq
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; CHECK: movq %r9, 40(%rsp)
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; CHECK: movq %r8, 32(%rsp)
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; CHECK: movq %rdx, 24(%rsp)
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; CHECK: leaq 24(%rsp), %rax
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%ap = alloca i8*, align 8 ; <i8**> [#uses=1]
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%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
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call void @llvm.va_start(i8* %ap1)
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ret void
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}
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declare void @llvm.va_start(i8*) nounwind
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; CHECK: f5:
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; CHECK: pushq
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; CHECK: leaq 56(%rsp),
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define i8* @f5(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, ...) nounwind {
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entry:
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%ap = alloca i8*, align 8
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%ap1 = bitcast i8** %ap to i8*
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call void @llvm.va_start(i8* %ap1)
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ret i8* %ap1
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}
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; CHECK: f4:
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; CHECK: pushq
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; CHECK: leaq 48(%rsp),
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define i8* @f4(i64 %a0, i64 %a1, i64 %a2, i64 %a3, ...) nounwind {
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entry:
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%ap = alloca i8*, align 8
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%ap1 = bitcast i8** %ap to i8*
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call void @llvm.va_start(i8* %ap1)
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ret i8* %ap1
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}
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; CHECK: f3:
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; CHECK: pushq
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; CHECK: leaq 40(%rsp),
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define i8* @f3(i64 %a0, i64 %a1, i64 %a2, ...) nounwind {
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entry:
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%ap = alloca i8*, align 8
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%ap1 = bitcast i8** %ap to i8*
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call void @llvm.va_start(i8* %ap1)
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ret i8* %ap1
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}
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