68b8052121
A set of function attributes is required in any function that uses constrained floating point intrinsics. None of our tests use these attributes. This patch fixes this. These tests have been tested against the IR verifier changes in D68233. Reviewed by: andrew.w.kaylor, cameron.mcinally, uweigand Approved by: andrew.w.kaylor Differential Revision: https://reviews.llvm.org/D67925 llvm-svn: 373761
26 lines
826 B
LLVM
26 lines
826 B
LLVM
; Test strict 128-bit floating-point subtraction.
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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.fsub.f128(fp128, fp128, metadata, metadata)
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; There is no memory form of 128-bit subtraction.
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define void @f1(fp128 *%ptr, float %f2) strictfp {
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; CHECK-LABEL: f1:
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; CHECK-DAG: lxebr %f0, %f0
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; CHECK-DAG: ld %f1, 0(%r2)
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; CHECK-DAG: ld %f3, 8(%r2)
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; CHECK: sxbr %f1, %f0
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; CHECK: std %f1, 0(%r2)
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; CHECK: std %f3, 8(%r2)
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; CHECK: br %r14
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%f1 = load fp128, fp128 *%ptr
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%f2x = fpext float %f2 to fp128
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%sum = call fp128 @llvm.experimental.constrained.fsub.f128(
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fp128 %f1, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") strictfp
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store fp128 %sum, fp128 *%ptr
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ret void
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}
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