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