; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse2 | FileCheck %s define i32 @t0(i64 %x) { ; CHECK-LABEL: t0: ; CHECK: # BB#0:{{.*}} %entry ; CHECK: movd %[[REG1:[a-z]+]], %mm0 ; CHECK-NEXT: pshufw $238, %mm0, %mm0 ; CHECK-NEXT: movd %mm0, %eax ; CHECK-NEXT: retq entry: %0 = bitcast i64 %x to <4 x i16> %1 = bitcast <4 x i16> %0 to x86_mmx %2 = tail call x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx %1, i8 -18) %3 = bitcast x86_mmx %2 to <4 x i16> %4 = bitcast <4 x i16> %3 to <1 x i64> %5 = extractelement <1 x i64> %4, i32 0 %6 = bitcast i64 %5 to <2 x i32> %7 = extractelement <2 x i32> %6, i32 0 ret i32 %7 } define i64 @t1(i64 %x, i32 %n) { ; CHECK-LABEL: t1: ; CHECK: # BB#0:{{.*}} %entry ; CHECK: movd %[[REG2:[a-z]+]], %mm0 ; CHECK-NEXT: movd %[[REG1]], %mm1 ; CHECK-NEXT: psllq %mm0, %mm1 ; CHECK-NEXT: movd %mm1, %rax ; CHECK-NEXT: retq entry: %0 = bitcast i64 %x to x86_mmx %1 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %0, i32 %n) %2 = bitcast x86_mmx %1 to i64 ret i64 %2 } define i64 @t2(i64 %x, i32 %n, i32 %w) { ; CHECK-LABEL: t2: ; CHECK: # BB#0:{{.*}} %entry ; CHECK: movd %[[REG4:[a-z]+]], %mm0 ; CHECK-NEXT: movd %[[REG6:[a-z0-9]+]], %mm1 ; CHECK-NEXT: psllq %mm0, %mm1 ; CHECK-NEXT: movd %[[REG1]], %mm0 ; CHECK-NEXT: por %mm1, %mm0 ; CHECK-NEXT: movd %mm0, %rax ; CHECK-NEXT: retq entry: %0 = insertelement <2 x i32> undef, i32 %w, i32 0 %1 = insertelement <2 x i32> %0, i32 0, i32 1 %2 = bitcast <2 x i32> %1 to x86_mmx %3 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %2, i32 %n) %4 = bitcast i64 %x to x86_mmx %5 = tail call x86_mmx @llvm.x86.mmx.por(x86_mmx %4, x86_mmx %3) %6 = bitcast x86_mmx %5 to i64 ret i64 %6 } define i64 @t3(<1 x i64>* %y, i32* %n) { ; CHECK-LABEL: t3: ; CHECK: # BB#0:{{.*}} %entry ; CHECK: movq (%[[REG1]]), %mm0 ; CHECK-NEXT: psllq (%[[REG3:[a-z]+]]), %mm0 ; CHECK-NEXT: movd %mm0, %rax ; CHECK-NEXT: retq entry: %0 = bitcast <1 x i64>* %y to x86_mmx* %1 = load x86_mmx, x86_mmx* %0, align 8 %2 = load i32, i32* %n, align 4 %3 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %1, i32 %2) %4 = bitcast x86_mmx %3 to i64 ret i64 %4 } declare x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx, i8) declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32) declare x86_mmx @llvm.x86.mmx.por(x86_mmx, x86_mmx)