| ; Test strict vector subtraction. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s |
| |
| declare double @llvm.experimental.constrained.fsub.f64(double, double, metadata, metadata) |
| declare <2 x double> @llvm.experimental.constrained.fsub.v2f64(<2 x double>, <2 x double>, metadata, metadata) |
| |
| ; Test a v2f64 subtraction. |
| define <2 x double> @f6(<2 x double> %dummy, <2 x double> %val1, |
| <2 x double> %val2) #0 { |
| ; CHECK-LABEL: f6: |
| ; CHECK: vfsdb %v24, %v26, %v28 |
| ; CHECK: br %r14 |
| %ret = call <2 x double> @llvm.experimental.constrained.fsub.v2f64( |
| <2 x double> %val1, <2 x double> %val2, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret <2 x double> %ret |
| } |
| |
| ; Test an f64 subtraction that uses vector registers. |
| define double @f7(<2 x double> %val1, <2 x double> %val2) #0 { |
| ; CHECK-LABEL: f7: |
| ; CHECK: wfsdb %f0, %v24, %v26 |
| ; CHECK: br %r14 |
| %scalar1 = extractelement <2 x double> %val1, i32 0 |
| %scalar2 = extractelement <2 x double> %val2, i32 0 |
| %ret = call double @llvm.experimental.constrained.fsub.f64( |
| double %scalar1, double %scalar2, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %ret |
| } |
| |
| attributes #0 = { strictfp } |