derek.holloway
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47 lines
1.2 KiB
LLVM
47 lines
1.2 KiB
LLVM
; Test f64 and v2f64 absolute.
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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.fabs.f64(double)
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declare <2 x double> @llvm.fabs.v2f64(<2 x double>)
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; Test a plain absolute.
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define <2 x double> @f1(<2 x double> %val) {
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; CHECK-LABEL: f1:
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; CHECK: vflpdb %v24, %v24
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; CHECK: br %r14
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%ret = call <2 x double> @llvm.fabs.v2f64(<2 x double> %val)
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ret <2 x double> %ret
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}
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; Test a negative absolute.
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define <2 x double> @f2(<2 x double> %val) {
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; CHECK-LABEL: f2:
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; CHECK: vflndb %v24, %v24
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; CHECK: br %r14
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%abs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %val)
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%ret = fneg <2 x double> %abs
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ret <2 x double> %ret
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}
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; Test an f64 absolute that uses vector registers.
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define double @f3(<2 x double> %val) {
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; CHECK-LABEL: f3:
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; CHECK: wflpdb %f0, %v24
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; CHECK: br %r14
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%scalar = extractelement <2 x double> %val, i32 0
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%ret = call double @llvm.fabs.f64(double %scalar)
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ret double %ret
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}
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; Test an f64 negative absolute that uses vector registers.
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define double @f4(<2 x double> %val) {
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; CHECK-LABEL: f4:
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; CHECK: wflndb %f0, %v24
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; CHECK: br %r14
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%scalar = extractelement <2 x double> %val, i32 0
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%abs = call double @llvm.fabs.f64(double %scalar)
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%ret = fneg double %abs
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ret double %ret
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}
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