forked from OSchip/llvm-project
34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
|
; Test strict vector subtraction on z14.
|
||
|
;
|
||
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
|
||
|
|
||
|
declare float @llvm.experimental.constrained.fsub.f32(float, float, metadata, metadata)
|
||
|
declare <4 x float> @llvm.experimental.constrained.fsub.v4f32(<4 x float>, <4 x float>, metadata, metadata)
|
||
|
|
||
|
; Test a v4f32 subtraction.
|
||
|
define <4 x float> @f6(<4 x float> %dummy, <4 x float> %val1,
|
||
|
<4 x float> %val2) {
|
||
|
; CHECK-LABEL: f6:
|
||
|
; CHECK: vfssb %v24, %v26, %v28
|
||
|
; CHECK: br %r14
|
||
|
%ret = call <4 x float> @llvm.experimental.constrained.fsub.v4f32(
|
||
|
<4 x float> %val1, <4 x float> %val2,
|
||
|
metadata !"round.dynamic",
|
||
|
metadata !"fpexcept.strict")
|
||
|
ret <4 x float> %ret
|
||
|
}
|
||
|
|
||
|
; Test an f32 subtraction that uses vector registers.
|
||
|
define float @f7(<4 x float> %val1, <4 x float> %val2) {
|
||
|
; CHECK-LABEL: f7:
|
||
|
; CHECK: wfssb %f0, %v24, %v26
|
||
|
; CHECK: br %r14
|
||
|
%scalar1 = extractelement <4 x float> %val1, i32 0
|
||
|
%scalar2 = extractelement <4 x float> %val2, i32 0
|
||
|
%ret = call float @llvm.experimental.constrained.fsub.f32(
|
||
|
float %scalar1, float %scalar2,
|
||
|
metadata !"round.dynamic",
|
||
|
metadata !"fpexcept.strict")
|
||
|
ret float %ret
|
||
|
}
|