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a24a01e0c1
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
66 lines
2.2 KiB
LLVM
66 lines
2.2 KiB
LLVM
; Test f128 floating-point strict truncations/extensions on z14.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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declare float @llvm.experimental.constrained.fptrunc.f32.f128(fp128, metadata, metadata)
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declare double @llvm.experimental.constrained.fptrunc.f64.f128(fp128, metadata, metadata)
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declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata)
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declare fp128 @llvm.experimental.constrained.fpext.f128.f64(double, metadata)
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; Test f128->f64.
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define double @f1(fp128 *%ptr) #0 {
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; CHECK-LABEL: f1:
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; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
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; CHECK: wflrx %f0, [[REG]], 0, 0
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; CHECK: br %r14
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%val = load fp128, fp128 *%ptr
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%res = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Test f128->f32.
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define float @f2(fp128 *%ptr) #0 {
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; CHECK-LABEL: f2:
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; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
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; CHECK: wflrx %f0, [[REG]], 0, 3
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; CHECK: ledbra %f0, 0, %f0, 0
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; CHECK: br %r14
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%val = load fp128, fp128 *%ptr
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%res = call float @llvm.experimental.constrained.fptrunc.f32.f128(
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fp128 %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Test f64->f128.
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define void @f3(fp128 *%dst, double %val) #0 {
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; CHECK-LABEL: f3:
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; CHECK: wflld [[RES:%v[0-9]+]], %f0
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; CHECK: vst [[RES]], 0(%r2)
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; CHECK: br %r14
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%res = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %val,
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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; Test f32->f128.
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define void @f4(fp128 *%dst, float %val) #0 {
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; CHECK-LABEL: f4:
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; CHECK: ldebr %f0, %f0
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; CHECK: wflld [[RES:%v[0-9]+]], %f0
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; CHECK: vst [[RES]], 0(%r2)
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; CHECK: br %r14
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%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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attributes #0 = { strictfp }
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