x86-64-psub.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-pc-linux -mattr=mmx < %s | FileCheck %s
; MMX packed sub opcodes were wrongly marked as commutative.
; This test checks that the operands of packed sub instructions are
; never interchanged by the "Two-Address instruction pass".
declare { i64, double } @getFirstParam()
declare { i64, double } @getSecondParam()
define i64 @test_psubb() {
; CHECK-LABEL: test_psubb:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubb %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <8 x i8>
%3 = bitcast <8 x i8> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <8 x i8>
%5 = bitcast <8 x i8> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psub.b(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <8 x i8>
%8 = bitcast <8 x i8> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
define i64 @test_psubw() {
; CHECK-LABEL: test_psubw:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubw %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <4 x i16>
%3 = bitcast <4 x i16> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <4 x i16>
%5 = bitcast <4 x i16> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psub.w(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <4 x i16>
%8 = bitcast <4 x i16> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
define i64 @test_psubd() {
; CHECK-LABEL: test_psubd:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubd %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <2 x i32>
%3 = bitcast <2 x i32> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <2 x i32>
%5 = bitcast <2 x i32> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psub.d(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <2 x i32>
%8 = bitcast <2 x i32> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
define i64 @test_psubsb() {
; CHECK-LABEL: test_psubsb:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubsb %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <8 x i8>
%3 = bitcast <8 x i8> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <8 x i8>
%5 = bitcast <8 x i8> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psubs.b(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <8 x i8>
%8 = bitcast <8 x i8> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
define i64 @test_psubswv() {
; CHECK-LABEL: test_psubswv:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubsw %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <4 x i16>
%3 = bitcast <4 x i16> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <4 x i16>
%5 = bitcast <4 x i16> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psubs.w(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <4 x i16>
%8 = bitcast <4 x i16> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
define i64 @test_psubusbv() {
; CHECK-LABEL: test_psubusbv:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubusb %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <8 x i8>
%3 = bitcast <8 x i8> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <8 x i8>
%5 = bitcast <8 x i8> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psubus.b(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <8 x i8>
%8 = bitcast <8 x i8> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
define i64 @test_psubuswv() {
; CHECK-LABEL: test_psubuswv:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: callq getFirstParam
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: callq getSecondParam
; CHECK-NEXT: movq %rbx, %mm0
; CHECK-NEXT: movq %rax, %mm1
; CHECK-NEXT: psubusw %mm1, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
entry:
%call = tail call { i64, double } @getFirstParam()
%0 = extractvalue { i64, double } %call, 0
%call2 = tail call { i64, double } @getSecondParam()
%1 = extractvalue { i64, double } %call2, 0
%__m1.0.insert.i = insertelement <1 x i64> undef, i64 %0, i32 0
%__m2.0.insert.i = insertelement <1 x i64> undef, i64 %1, i32 0
%2 = bitcast <1 x i64> %__m1.0.insert.i to <4 x i16>
%3 = bitcast <4 x i16> %2 to x86_mmx
%4 = bitcast <1 x i64> %__m2.0.insert.i to <4 x i16>
%5 = bitcast <4 x i16> %4 to x86_mmx
%6 = tail call x86_mmx @llvm.x86.mmx.psubus.w(x86_mmx %3, x86_mmx %5) nounwind
%7 = bitcast x86_mmx %6 to <4 x i16>
%8 = bitcast <4 x i16> %7 to <1 x i64>
%retval.0.extract.i15 = extractelement <1 x i64> %8, i32 0
ret i64 %retval.0.extract.i15
}
declare x86_mmx @llvm.x86.mmx.psubus.w(x86_mmx, x86_mmx) nounwind readnone
declare x86_mmx @llvm.x86.mmx.psubus.b(x86_mmx, x86_mmx) nounwind readnone
declare x86_mmx @llvm.x86.mmx.psubs.w(x86_mmx, x86_mmx) nounwind readnone
declare x86_mmx @llvm.x86.mmx.psubs.b(x86_mmx, x86_mmx) nounwind readnone
declare x86_mmx @llvm.x86.mmx.psub.d(x86_mmx, x86_mmx) nounwind readnone
declare x86_mmx @llvm.x86.mmx.psub.w(x86_mmx, x86_mmx) nounwind readnone
declare x86_mmx @llvm.x86.mmx.psub.b(x86_mmx, x86_mmx) nounwind readnone