24 lines
703 B
LLVM
24 lines
703 B
LLVM
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; Test strict 128-bit square root.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare fp128 @llvm.experimental.constrained.sqrt.f128(fp128, metadata, metadata)
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; There's no memory form of SQXBR.
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define void @f1(fp128 *%ptr) strictfp {
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; CHECK-LABEL: f1:
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; CHECK: ld %f0, 0(%r2)
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; CHECK: ld %f2, 8(%r2)
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; CHECK: sqxbr %f0, %f0
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%orig = load fp128, fp128 *%ptr
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%sqrt = call fp128 @llvm.experimental.constrained.sqrt.f128(
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fp128 %orig,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") strictfp
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store fp128 %sqrt, fp128 *%ptr
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ret void
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}
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