71 lines
1.8 KiB
LLVM
71 lines
1.8 KiB
LLVM
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; When we accept small parameters on Windows, make sure we do not assume they
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; are zero or sign extended in memory or in registers.
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; RUN: llc < %s -mtriple=x86_64-windows-msvc | FileCheck %s --check-prefix=WIN64
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; RUN: llc < %s -mtriple=x86_64-windows-gnu | FileCheck %s --check-prefix=WIN64
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; RUN: llc < %s -mtriple=i686-windows-msvc | FileCheck %s --check-prefix=WIN32
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; RUN: llc < %s -mtriple=i686-windows-gnu | FileCheck %s --check-prefix=WIN32
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define void @call() {
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entry:
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%rv = call i32 @manyargs(i8 1, i16 2, i8 3, i16 4, i8 5, i16 6)
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ret void
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}
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define i32 @manyargs(i8 %a, i16 %b, i8 %c, i16 %d, i8 %e, i16 %f) {
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entry:
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%aa = sext i8 %a to i32
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%bb = sext i16 %b to i32
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%cc = zext i8 %c to i32
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%dd = zext i16 %d to i32
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%ee = zext i8 %e to i32
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%ff = zext i16 %f to i32
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%t0 = add i32 %aa, %bb
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%t1 = add i32 %t0, %cc
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%t2 = add i32 %t1, %dd
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%t3 = add i32 %t2, %ee
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%t4 = add i32 %t3, %ff
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ret i32 %t4
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}
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; WIN64-LABEL: call:
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; WIN64-DAG: movw $6, 40(%rsp)
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; WIN64-DAG: movb $5, 32(%rsp)
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; WIN64-DAG: movb $1, %cl
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; WIN64-DAG: movw $2, %dx
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; WIN64-DAG: movb $3, %r8b
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; WIN64-DAG: movw $4, %r9w
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; WIN64: callq manyargs
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; WIN64-LABEL: manyargs:
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; WIN64-DAG: movsbl %cl,
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; WIN64-DAG: movswl %dx,
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; WIN64-DAG: movzbl %r8b,
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; WIN64-DAG: movzwl %r9w,
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; WIN64-DAG: movzbl 40(%rsp),
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; WIN64-DAG: movzwl 48(%rsp),
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; WIN64: retq
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; WIN32-LABEL: _call:
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; WIN32: pushl $6
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; WIN32: pushl $5
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; WIN32: pushl $4
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; WIN32: pushl $3
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; WIN32: pushl $2
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; WIN32: pushl $1
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; WIN32: calll _manyargs
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; WIN32-LABEL: _manyargs:
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; WIN32: pushl %ebx
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; WIN32: pushl %edi
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; WIN32: pushl %esi
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; WIN32-DAG: movsbl 16(%esp),
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; WIN32-DAG: movswl 20(%esp),
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; WIN32-DAG: movzbl 24(%esp),
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; WIN32-DAG: movzwl 28(%esp),
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; WIN32-DAG: movzbl 32(%esp),
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; WIN32-DAG: movzwl 36(%esp),
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; WIN32: retl
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