mmx-bitcast.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-darwin -mattr=+mmx,+sse2 | FileCheck %s
define i64 @t0(x86_mmx* %p) {
; CHECK-LABEL: t0:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq (%rdi), %mm0
; CHECK-NEXT: paddq %mm0, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: retq
%t = load x86_mmx, x86_mmx* %p
%u = tail call x86_mmx @llvm.x86.mmx.padd.q(x86_mmx %t, x86_mmx %t)
%s = bitcast x86_mmx %u to i64
ret i64 %s
}
define i64 @t1(x86_mmx* %p) {
; CHECK-LABEL: t1:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq (%rdi), %mm0
; CHECK-NEXT: paddd %mm0, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: retq
%t = load x86_mmx, x86_mmx* %p
%u = tail call x86_mmx @llvm.x86.mmx.padd.d(x86_mmx %t, x86_mmx %t)
%s = bitcast x86_mmx %u to i64
ret i64 %s
}
define i64 @t2(x86_mmx* %p) {
; CHECK-LABEL: t2:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq (%rdi), %mm0
; CHECK-NEXT: paddw %mm0, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: retq
%t = load x86_mmx, x86_mmx* %p
%u = tail call x86_mmx @llvm.x86.mmx.padd.w(x86_mmx %t, x86_mmx %t)
%s = bitcast x86_mmx %u to i64
ret i64 %s
}
define i64 @t3(x86_mmx* %p) {
; CHECK-LABEL: t3:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq (%rdi), %mm0
; CHECK-NEXT: paddb %mm0, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: retq
%t = load x86_mmx, x86_mmx* %p
%u = tail call x86_mmx @llvm.x86.mmx.padd.b(x86_mmx %t, x86_mmx %t)
%s = bitcast x86_mmx %u to i64
ret i64 %s
}
@R = external global x86_mmx
define void @t4(<1 x i64> %A, <1 x i64> %B) {
; CHECK-LABEL: t4:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: movq %rdi, %mm0
; CHECK-NEXT: movq %rsi, %mm1
; CHECK-NEXT: paddusw %mm0, %mm1
; CHECK-NEXT: movq _R@{{.*}}(%rip), %rax
; CHECK-NEXT: movq %mm1, (%rax)
; CHECK-NEXT: emms
; CHECK-NEXT: retq
entry:
%tmp2 = bitcast <1 x i64> %A to x86_mmx
%tmp3 = bitcast <1 x i64> %B to x86_mmx
%tmp7 = tail call x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx %tmp2, x86_mmx %tmp3)
store x86_mmx %tmp7, x86_mmx* @R
tail call void @llvm.x86.mmx.emms()
ret void
}
define i64 @t5(i32 %a, i32 %b) nounwind readnone {
; CHECK-LABEL: t5:
; CHECK: ## %bb.0:
; CHECK-NEXT: movd %esi, %xmm0
; CHECK-NEXT: movd %edi, %xmm1
; CHECK-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; CHECK-NEXT: movq %xmm1, %rax
; CHECK-NEXT: retq
%v0 = insertelement <2 x i32> undef, i32 %a, i32 0
%v1 = insertelement <2 x i32> %v0, i32 %b, i32 1
%conv = bitcast <2 x i32> %v1 to i64
ret i64 %conv
}
declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32)
define <1 x i64> @t6(i64 %t) {
; CHECK-LABEL: t6:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq %rdi, %mm0
; CHECK-NEXT: psllq $48, %mm0
; CHECK-NEXT: movq %mm0, %rax
; CHECK-NEXT: retq
%t1 = insertelement <1 x i64> undef, i64 %t, i32 0
%t0 = bitcast <1 x i64> %t1 to x86_mmx
%t2 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %t0, i32 48)
%t3 = bitcast x86_mmx %t2 to <1 x i64>
ret <1 x i64> %t3
}
declare x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx, x86_mmx)
declare x86_mmx @llvm.x86.mmx.padd.b(x86_mmx, x86_mmx)
declare x86_mmx @llvm.x86.mmx.padd.w(x86_mmx, x86_mmx)
declare x86_mmx @llvm.x86.mmx.padd.d(x86_mmx, x86_mmx)
declare x86_mmx @llvm.x86.mmx.padd.q(x86_mmx, x86_mmx)
declare void @llvm.x86.mmx.emms()