forked from OSchip/llvm-project
213 lines
5.9 KiB
LLVM
213 lines
5.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefixes=ALL,i686
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s -check-prefixes=ALL,x86_64
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%0 = type { x86_fp80, x86_fp80 }
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; This is basically this code on x86-64:
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; _Complex long double test() { return 1.0; }
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define %0 @test() {
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; ALL-LABEL: test:
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; ALL: # %bb.0:
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; ALL-NEXT: fldz
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; ALL-NEXT: fld1
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; ALL-NEXT: ret{{[l|q]}}
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%A = fpext double 1.0 to x86_fp80
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%B = fpext double 0.0 to x86_fp80
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%mrv = insertvalue %0 undef, x86_fp80 %A, 0
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%mrv1 = insertvalue %0 %mrv, x86_fp80 %B, 1
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ret %0 %mrv1
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}
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;_test2:
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; fld1
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; fld %st(0)
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; ret
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define %0 @test2() {
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; ALL-LABEL: test2:
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; ALL: # %bb.0:
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; ALL-NEXT: fld1
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; ALL-NEXT: fld %st(0)
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; ALL-NEXT: ret{{[l|q]}}
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%A = fpext double 1.0 to x86_fp80
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%mrv = insertvalue %0 undef, x86_fp80 %A, 0
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%mrv1 = insertvalue %0 %mrv, x86_fp80 %A, 1
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ret %0 %mrv1
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}
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; Uses both values.
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define void @call1(x86_fp80 *%P1, x86_fp80 *%P2) {
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; i686-LABEL: call1:
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; i686: # %bb.0:
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; i686-NEXT: pushl %edi
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; i686-NEXT: .cfi_def_cfa_offset 8
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; i686-NEXT: pushl %esi
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; i686-NEXT: .cfi_def_cfa_offset 12
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; i686-NEXT: .cfi_offset %esi, -12
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; i686-NEXT: .cfi_offset %edi, -8
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; i686-NEXT: movl {{[0-9]+}}(%esp), %esi
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; i686-NEXT: movl {{[0-9]+}}(%esp), %edi
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; i686-NEXT: calll test
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; i686-NEXT: fstpt (%edi)
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; i686-NEXT: fstpt (%esi)
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; i686-NEXT: popl %esi
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; i686-NEXT: .cfi_def_cfa_offset 8
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; i686-NEXT: popl %edi
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; i686-NEXT: .cfi_def_cfa_offset 4
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; i686-NEXT: retl
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;
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; x86_64-LABEL: call1:
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; x86_64: # %bb.0:
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; x86_64-NEXT: pushq %r14
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; x86_64-NEXT: .cfi_def_cfa_offset 16
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; x86_64-NEXT: pushq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 24
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; x86_64-NEXT: pushq %rax
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; x86_64-NEXT: .cfi_def_cfa_offset 32
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; x86_64-NEXT: .cfi_offset %rbx, -24
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; x86_64-NEXT: .cfi_offset %r14, -16
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; x86_64-NEXT: movq %rsi, %r14
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; x86_64-NEXT: movq %rdi, %rbx
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; x86_64-NEXT: callq test
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; x86_64-NEXT: fstpt (%rbx)
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; x86_64-NEXT: fstpt (%r14)
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; x86_64-NEXT: addq $8, %rsp
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; x86_64-NEXT: .cfi_def_cfa_offset 24
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; x86_64-NEXT: popq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 16
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; x86_64-NEXT: popq %r14
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; x86_64-NEXT: .cfi_def_cfa_offset 8
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; x86_64-NEXT: retq
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%a = call %0 @test()
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%b = extractvalue %0 %a, 0
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store x86_fp80 %b, x86_fp80* %P1
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%c = extractvalue %0 %a, 1
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store x86_fp80 %c, x86_fp80* %P2
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ret void
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}
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; Uses both values, requires fxch
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define void @call2(x86_fp80 *%P1, x86_fp80 *%P2) {
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; i686-LABEL: call2:
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; i686: # %bb.0:
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; i686-NEXT: pushl %edi
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; i686-NEXT: .cfi_def_cfa_offset 8
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; i686-NEXT: pushl %esi
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; i686-NEXT: .cfi_def_cfa_offset 12
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; i686-NEXT: .cfi_offset %esi, -12
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; i686-NEXT: .cfi_offset %edi, -8
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; i686-NEXT: movl {{[0-9]+}}(%esp), %esi
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; i686-NEXT: movl {{[0-9]+}}(%esp), %edi
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; i686-NEXT: calll test
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; i686-NEXT: fxch %st(1)
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; i686-NEXT: fstpt (%edi)
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; i686-NEXT: fstpt (%esi)
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; i686-NEXT: popl %esi
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; i686-NEXT: .cfi_def_cfa_offset 8
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; i686-NEXT: popl %edi
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; i686-NEXT: .cfi_def_cfa_offset 4
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; i686-NEXT: retl
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;
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; x86_64-LABEL: call2:
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; x86_64: # %bb.0:
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; x86_64-NEXT: pushq %r14
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; x86_64-NEXT: .cfi_def_cfa_offset 16
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; x86_64-NEXT: pushq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 24
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; x86_64-NEXT: pushq %rax
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; x86_64-NEXT: .cfi_def_cfa_offset 32
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; x86_64-NEXT: .cfi_offset %rbx, -24
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; x86_64-NEXT: .cfi_offset %r14, -16
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; x86_64-NEXT: movq %rsi, %r14
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; x86_64-NEXT: movq %rdi, %rbx
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; x86_64-NEXT: callq test
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; x86_64-NEXT: fxch %st(1)
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; x86_64-NEXT: fstpt (%rbx)
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; x86_64-NEXT: fstpt (%r14)
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; x86_64-NEXT: addq $8, %rsp
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; x86_64-NEXT: .cfi_def_cfa_offset 24
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; x86_64-NEXT: popq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 16
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; x86_64-NEXT: popq %r14
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; x86_64-NEXT: .cfi_def_cfa_offset 8
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; x86_64-NEXT: retq
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%a = call %0 @test()
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%b = extractvalue %0 %a, 1
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store x86_fp80 %b, x86_fp80* %P1
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%c = extractvalue %0 %a, 0
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store x86_fp80 %c, x86_fp80* %P2
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ret void
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}
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; Uses ST(0), ST(1) is dead but must be popped.
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define void @call3(x86_fp80 *%P1, x86_fp80 *%P2) {
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; i686-LABEL: call3:
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; i686: # %bb.0:
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; i686-NEXT: pushl %esi
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; i686-NEXT: .cfi_def_cfa_offset 8
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; i686-NEXT: .cfi_offset %esi, -8
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; i686-NEXT: movl {{[0-9]+}}(%esp), %esi
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; i686-NEXT: calll test
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; i686-NEXT: fstp %st(1)
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; i686-NEXT: fstpt (%esi)
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; i686-NEXT: popl %esi
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; i686-NEXT: .cfi_def_cfa_offset 4
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; i686-NEXT: retl
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;
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; x86_64-LABEL: call3:
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; x86_64: # %bb.0:
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; x86_64-NEXT: pushq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 16
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; x86_64-NEXT: .cfi_offset %rbx, -16
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; x86_64-NEXT: movq %rdi, %rbx
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; x86_64-NEXT: callq test
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; x86_64-NEXT: fstp %st(1)
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; x86_64-NEXT: fstpt (%rbx)
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; x86_64-NEXT: popq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 8
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; x86_64-NEXT: retq
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%a = call %0 @test()
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%b = extractvalue %0 %a, 0
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store x86_fp80 %b, x86_fp80* %P1
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ret void
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}
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; Uses ST(1), ST(0) is dead and must be popped.
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define void @call4(x86_fp80 *%P1, x86_fp80 *%P2) {
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; i686-LABEL: call4:
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; i686: # %bb.0:
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; i686-NEXT: pushl %esi
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; i686-NEXT: .cfi_def_cfa_offset 8
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; i686-NEXT: .cfi_offset %esi, -8
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; i686-NEXT: movl {{[0-9]+}}(%esp), %esi
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; i686-NEXT: calll test
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; i686-NEXT: fstp %st(0)
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; i686-NEXT: fstpt (%esi)
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; i686-NEXT: popl %esi
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; i686-NEXT: .cfi_def_cfa_offset 4
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; i686-NEXT: retl
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;
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; x86_64-LABEL: call4:
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; x86_64: # %bb.0:
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; x86_64-NEXT: pushq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 16
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; x86_64-NEXT: .cfi_offset %rbx, -16
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; x86_64-NEXT: movq %rsi, %rbx
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; x86_64-NEXT: callq test
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; x86_64-NEXT: fstp %st(0)
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; x86_64-NEXT: fstpt (%rbx)
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; x86_64-NEXT: popq %rbx
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; x86_64-NEXT: .cfi_def_cfa_offset 8
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; x86_64-NEXT: retq
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%a = call %0 @test()
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%c = extractvalue %0 %a, 1
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store x86_fp80 %c, x86_fp80* %P2
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ret void
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}
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