forked from OSchip/llvm-project
61 lines
2.0 KiB
LLVM
61 lines
2.0 KiB
LLVM
|
; 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(float* nocapture %a, <4 x float>* 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, float* %a, i64 %indvars.iv
|
||
|
|
%v = load float, float* %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, <4 x float>* %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(double* nocapture %a, <2 x double>* 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, double* %a, i64 %indvars.iv
|
||
|
|
%v = load double, double* %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, <2 x double>* %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
|
||
|
|
|