; RUN: llc < %s -march=x86-64 -mcpu=core2 -mattr=+sse2 | FileCheck %s define double @test1(double %A) { %1 = bitcast double %A to <2 x i32> %add = add <2 x i32> %1, %2 = bitcast <2 x i32> %add to double ret double %2 } ; FIXME: Ideally we should be able to fold the entire body of @test1 into a ; single paddd instruction. At the moment we produce the sequence ; pshufd+paddq+pshufd. ; CHECK-LABEL: test1 ; CHECK-NOT: movsd ; CHECK: pshufd ; CHECK-NEXT: paddd ; CHECK-NEXT: pshufd ; CHECK-NEXT: ret define double @test2(double %A, double %B) { %1 = bitcast double %A to <2 x i32> %2 = bitcast double %B to <2 x i32> %add = add <2 x i32> %1, %2 %3 = bitcast <2 x i32> %add to double ret double %3 } ; CHECK-LABEL: test2 ; CHECK-NOT: movsd ; CHECK: paddd ; CHECK-NEXT: ret define i64 @test3(i64 %A) { %1 = bitcast i64 %A to <2 x float> %add = fadd <2 x float> %1, %2 = bitcast <2 x float> %add to i64 ret i64 %2 } ; CHECK-LABEL: test3 ; CHECK-NOT: pshufd ; CHECK: addps ; CHECK-NOT: pshufd ; CHECK: ret define i64 @test4(i64 %A) { %1 = bitcast i64 %A to <2 x i32> %add = add <2 x i32> %1, %2 = bitcast <2 x i32> %add to i64 ret i64 %2 } ; FIXME: At the moment we still produce the sequence pshufd+paddq+pshufd. ; Ideally, we should fold that sequence into a single paddd. ; CHECK-LABEL: test4 ; CHECK: pshufd ; CHECK-NEXT: paddq ; CHECK-NEXT: pshufd ; CHECK: ret define double @test5(double %A) { %1 = bitcast double %A to <2 x float> %add = fadd <2 x float> %1, %2 = bitcast <2 x float> %add to double ret double %2 } ; CHECK-LABEL: test5 ; CHECK: addps ; CHECK-NEXT: ret define double @test6(double %A) { %1 = bitcast double %A to <4 x i16> %add = add <4 x i16> %1, %2 = bitcast <4 x i16> %add to double ret double %2 } ; FIXME: Ideally we should be able to fold the entire body of @test6 into a ; single paddw instruction. ; CHECK-LABEL: test6 ; CHECK-NOT: movsd ; CHECK: punpcklwd ; CHECK-NEXT: paddw ; CHECK-NEXT: pshufb ; CHECK-NEXT: ret define double @test7(double %A, double %B) { %1 = bitcast double %A to <4 x i16> %2 = bitcast double %B to <4 x i16> %add = add <4 x i16> %1, %2 %3 = bitcast <4 x i16> %add to double ret double %3 } ; CHECK-LABEL: test7 ; CHECK-NOT: movsd ; CHECK-NOT: punpcklwd ; CHECK: paddw ; CHECK-NEXT: ret define double @test8(double %A) { %1 = bitcast double %A to <8 x i8> %add = add <8 x i8> %1, %2 = bitcast <8 x i8> %add to double ret double %2 } ; FIXME: Ideally we should be able to fold the entire body of @test8 into a ; single paddb instruction. At the moment we produce the sequence ; pshufd+paddw+pshufd. ; CHECK-LABEL: test8 ; CHECK-NOT: movsd ; CHECK: punpcklbw ; CHECK-NEXT: paddb ; CHECK-NEXT: pshufb ; CHECK-NEXT: ret define double @test9(double %A, double %B) { %1 = bitcast double %A to <8 x i8> %2 = bitcast double %B to <8 x i8> %add = add <8 x i8> %1, %2 %3 = bitcast <8 x i8> %add to double ret double %3 } ; CHECK-LABEL: test9 ; CHECK-NOT: movsd ; CHECK-NOT: punpcklbw ; CHECK: paddb ; CHECK-NEXT: ret