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; RUN: llc -mtriple=x86_64-pc-linux-gnu -mattr=+sse4.2 < %s | FileCheck %s
; CHECK-LABEL: testss:
; CHECK: movss {{.*}}, %[[XMM0:xmm[0-9]+]]
; CHECK: xorps %[[XMM1:xmm[0-9]+]], %[[XMM1]]
; CHECK: roundss $9, %[[XMM0]], %[[XMM1]]
define void @testss(ptr nocapture %a, ptr nocapture %b, i32 %k) {
entry:
br label %for.body
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv
%v = load float, ptr %arrayidx, align 4
%floor = call float @floorf(float %v)
%sub = fsub float %floor, %v
%v1 = insertelement <4 x float> undef, float %sub, i32 0
%br = shufflevector <4 x float> %v1, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 0, i32 0>
store volatile <4 x float> %br, ptr %b, align 4
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp eq i32 %lftr.wideiv, %k
br i1 %exitcond, label %for.end, label %for.body
for.end:
ret void
}
; CHECK-LABEL: testsd:
; CHECK: movsd {{.*}}, %[[XMM0:xmm[0-9]+]]
; CHECK: xorps %[[XMM1:xmm[0-9]+]], %[[XMM1]]
; CHECK: roundsd $9, %[[XMM0]], %[[XMM1]]
define void @testsd(ptr nocapture %a, ptr nocapture %b, i32 %k) {
entry:
br label %for.body
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds double, ptr %a, i64 %indvars.iv
%v = load double, ptr %arrayidx, align 4
%floor = call double @floor(double %v)
%sub = fsub double %floor, %v
%v1 = insertelement <2 x double> undef, double %sub, i32 0
%br = shufflevector <2 x double> %v1, <2 x double> undef, <2 x i32> <i32 0, i32 0>
store volatile <2 x double> %br, ptr %b, align 4
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp eq i32 %lftr.wideiv, %k
br i1 %exitcond, label %for.end, label %for.body
for.end:
ret void
}
declare float @floorf(float) nounwind readnone
declare double @floor(double) nounwind readnone
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