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57 lines
2.2 KiB
57 lines
2.2 KiB
4 months ago
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; Test signaling vector floating-point comparisons on z13.
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; Note that these must be scalarized as we do not have native instructions.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Test v4f32.
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define <4 x i32> @f1(<4 x float> %val1, <4 x float> %val2) #0 {
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; CHECK-LABEL: f1:
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; CHECK: kebr
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; CHECK: kebr
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; CHECK: kebr
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; CHECK: kebr
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; CHECK: br %r14
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%cmp = call <4 x i1> @llvm.experimental.constrained.fcmps.v4f32(
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<4 x float> %val1, <4 x float> %val2,
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metadata !"oeq",
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metadata !"fpexcept.strict") #0
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%ret = sext <4 x i1> %cmp to <4 x i32>
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ret <4 x i32> %ret
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}
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; Test v2f64.
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define <2 x i64> @f2(<2 x i64> %dummy, <2 x double> %val1, <2 x double> %val2) #0 {
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; CHECK-LABEL: f2:
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; CHECK: {{kdbr|wfkdb}}
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; CHECK: {{kdbr|wfkdb}}
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; CHECK: br %r14
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%cmp = call <2 x i1> @llvm.experimental.constrained.fcmps.v2f64(
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<2 x double> %val1, <2 x double> %val2,
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metadata !"oeq",
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metadata !"fpexcept.strict") #0
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%ret = sext <2 x i1> %cmp to <2 x i64>
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ret <2 x i64> %ret
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}
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; Test an f64 comparison that uses vector registers.
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define i64 @f3(i64 %a, i64 %b, double %f1, <2 x double> %vec) #0 {
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; CHECK-LABEL: f3:
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; CHECK: wfkdb %f0, %v24
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; CHECK-NEXT: locgrne %r2, %r3
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; CHECK: br %r14
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%f2 = extractelement <2 x double> %vec, i32 0
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%cond = call i1 @llvm.experimental.constrained.fcmps.f64(
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double %f1, double %f2,
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metadata !"oeq",
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metadata !"fpexcept.strict") #0
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%res = select i1 %cond, i64 %a, i64 %b
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ret i64 %res
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}
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attributes #0 = { strictfp }
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declare <4 x i1> @llvm.experimental.constrained.fcmps.v4f32(<4 x float>, <4 x float>, metadata, metadata)
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declare <2 x i1> @llvm.experimental.constrained.fcmps.v2f64(<2 x double>, <2 x double>, metadata, metadata)
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declare i1 @llvm.experimental.constrained.fcmps.f64(double, double, metadata, metadata)
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