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2cef100c63
This mostly just works. Vectorcall rets are still not supported. The win64_eh test change is because fast isel doesn't use rsi for temporary computations, so it doesn't need to be pushed. The test case I'm changing was originally added to test pushes, but by now there are other test cases in that file exercising that code path. https://reviews.llvm.org/D22422 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275607 91177308-0d34-0410-b5e6-96231b3b80d8
172 lines
4.3 KiB
LLVM
172 lines
4.3 KiB
LLVM
; RUN: llc < %s -O0 -mattr=sse2 -mtriple=x86_64-pc-windows-itanium | FileCheck %s -check-prefix=WIN64 -check-prefix=NORM
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; RUN: llc < %s -O0 -mattr=sse2 -mtriple=x86_64-pc-mingw32 | FileCheck %s -check-prefix=WIN64 -check-prefix=NORM
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; RUN: llc < %s -O0 -mattr=sse2 -mtriple=x86_64-pc-mingw32 -mcpu=atom | FileCheck %s -check-prefix=WIN64 -check-prefix=ATOM
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; Check function without prolog
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define void @foo0() uwtable {
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entry:
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ret void
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}
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; WIN64-LABEL: foo0:
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; WIN64: .seh_proc foo0
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; WIN64: .seh_endprologue
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; WIN64: ret
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; WIN64: .seh_endproc
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; Checks a small stack allocation
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define void @foo1() uwtable {
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entry:
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%baz = alloca [2000 x i16], align 2
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ret void
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}
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; WIN64-LABEL: foo1:
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; WIN64: .seh_proc foo1
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; NORM: subq $4000, %rsp
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; ATOM: leaq -4000(%rsp), %rsp
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; WIN64: .seh_stackalloc 4000
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; WIN64: .seh_endprologue
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; WIN64: addq $4000, %rsp
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; WIN64: ret
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; WIN64: .seh_endproc
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; Checks a stack allocation requiring call to __chkstk/___chkstk_ms
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define void @foo2() uwtable {
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entry:
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%baz = alloca [4000 x i16], align 2
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ret void
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}
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; WIN64-LABEL: foo2:
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; WIN64: .seh_proc foo2
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; WIN64: movl $8000, %eax
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; WIN64: callq {{__chkstk|___chkstk_ms}}
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; WIN64: subq %rax, %rsp
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; WIN64: .seh_stackalloc 8000
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; WIN64: .seh_endprologue
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; WIN64: addq $8000, %rsp
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; WIN64: ret
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; WIN64: .seh_endproc
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define i32 @foo3(i32 %f_arg, i32 %e_arg, i32 %d_arg, i32 %c_arg, i32 %b_arg, i32 %a_arg) uwtable {
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entry:
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%a = alloca i32
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%b = alloca i32
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%c = alloca i32
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%d = alloca i32
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%e = alloca i32
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%f = alloca i32
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store i32 %a_arg, i32* %a
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store i32 %b_arg, i32* %b
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store i32 %c_arg, i32* %c
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store i32 %d_arg, i32* %d
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store i32 %e_arg, i32* %e
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store i32 %f_arg, i32* %f
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%tmp = load i32, i32* %a
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%tmp1 = mul i32 %tmp, 2
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%tmp2 = load i32, i32* %b
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%tmp3 = mul i32 %tmp2, 3
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%tmp4 = add i32 %tmp1, %tmp3
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%tmp5 = load i32, i32* %c
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%tmp6 = mul i32 %tmp5, 5
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%tmp7 = add i32 %tmp4, %tmp6
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%tmp8 = load i32, i32* %d
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%tmp9 = mul i32 %tmp8, 7
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%tmp10 = add i32 %tmp7, %tmp9
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%tmp11 = load i32, i32* %e
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%tmp12 = mul i32 %tmp11, 11
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%tmp13 = add i32 %tmp10, %tmp12
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%tmp14 = load i32, i32* %f
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%tmp15 = mul i32 %tmp14, 13
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%tmp16 = add i32 %tmp13, %tmp15
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ret i32 %tmp16
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}
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; WIN64-LABEL: foo3:
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; WIN64: .seh_proc foo3
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; NORM: subq $24, %rsp
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; ATOM: leaq -24(%rsp), %rsp
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; WIN64: .seh_stackalloc 24
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; WIN64: .seh_endprologue
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; WIN64: addq $24, %rsp
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; WIN64: ret
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; WIN64: .seh_endproc
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; Check emission of eh handler and handler data
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declare i32 @_d_eh_personality(i32, i32, i64, i8*, i8*)
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declare void @_d_eh_resume_unwind(i8*)
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declare i32 @bar()
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define i32 @foo4() #0 personality i32 (i32, i32, i64, i8*, i8*)* @_d_eh_personality {
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entry:
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%step = alloca i32, align 4
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store i32 0, i32* %step
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%tmp = load i32, i32* %step
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%tmp1 = invoke i32 @bar()
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to label %finally unwind label %landingpad
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finally:
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store i32 1, i32* %step
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br label %endtryfinally
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landingpad:
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%landing_pad = landingpad { i8*, i32 }
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cleanup
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%tmp3 = extractvalue { i8*, i32 } %landing_pad, 0
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store i32 2, i32* %step
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call void @_d_eh_resume_unwind(i8* %tmp3)
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unreachable
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endtryfinally:
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%tmp10 = load i32, i32* %step
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ret i32 %tmp10
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}
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; WIN64-LABEL: foo4:
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; WIN64: .seh_proc foo4
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; WIN64: .seh_handler _d_eh_personality, @unwind, @except
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; NORM: subq $56, %rsp
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; ATOM: leaq -56(%rsp), %rsp
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; WIN64: .seh_stackalloc 56
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; WIN64: .seh_endprologue
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; WIN64: addq $56, %rsp
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; WIN64: ret
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; WIN64: .seh_handlerdata
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; WIN64: .seh_endproc
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; Check stack re-alignment and xmm spilling
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define void @foo5() uwtable {
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entry:
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%s = alloca i32, align 64
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call void asm sideeffect "", "~{rbx},~{rdi},~{xmm6},~{xmm7}"()
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ret void
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}
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; WIN64-LABEL: foo5:
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; WIN64: .seh_proc foo5
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; WIN64: pushq %rbp
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; WIN64: .seh_pushreg 5
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; WIN64: pushq %rdi
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; WIN64: .seh_pushreg 7
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; WIN64: pushq %rbx
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; WIN64: .seh_pushreg 3
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; NORM: subq $96, %rsp
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; ATOM: leaq -96(%rsp), %rsp
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; WIN64: .seh_stackalloc 96
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; WIN64: leaq 96(%rsp), %rbp
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; WIN64: .seh_setframe 5, 96
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; WIN64: movaps %xmm7, -16(%rbp) # 16-byte Spill
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; WIN64: .seh_savexmm 7, 80
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; WIN64: movaps %xmm6, -32(%rbp) # 16-byte Spill
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; WIN64: .seh_savexmm 6, 64
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; WIN64: .seh_endprologue
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; WIN64: andq $-64, %rsp
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; WIN64: movaps -32(%rbp), %xmm6 # 16-byte Reload
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; WIN64: movaps -16(%rbp), %xmm7 # 16-byte Reload
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; WIN64: movq %rbp, %rsp
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; WIN64: popq %rbx
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; WIN64: popq %rdi
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; WIN64: popq %rbp
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; WIN64: retq
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; WIN64: .seh_endproc
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