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1; Test strict vector subtraction.2;3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s4 5declare double @llvm.experimental.constrained.fsub.f64(double, double, metadata, metadata)6declare <2 x double> @llvm.experimental.constrained.fsub.v2f64(<2 x double>, <2 x double>, metadata, metadata)7 8; Test a v2f64 subtraction.9define <2 x double> @f6(<2 x double> %dummy, <2 x double> %val1,10 <2 x double> %val2) #0 {11; CHECK-LABEL: f6:12; CHECK: vfsdb %v24, %v26, %v2813; CHECK: br %r1414 %ret = call <2 x double> @llvm.experimental.constrained.fsub.v2f64(15 <2 x double> %val1, <2 x double> %val2,16 metadata !"round.dynamic",17 metadata !"fpexcept.strict") #018 ret <2 x double> %ret19}20 21; Test an f64 subtraction that uses vector registers.22define double @f7(<2 x double> %val1, <2 x double> %val2) #0 {23; CHECK-LABEL: f7:24; CHECK: wfsdb %f0, %v24, %v2625; CHECK: br %r1426 %scalar1 = extractelement <2 x double> %val1, i32 027 %scalar2 = extractelement <2 x double> %val2, i32 028 %ret = call double @llvm.experimental.constrained.fsub.f64(29 double %scalar1, double %scalar2,30 metadata !"round.dynamic",31 metadata !"fpexcept.strict") #032 ret double %ret33}34 35attributes #0 = { strictfp }36