a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
50 lines
1.8 KiB
LLVM
50 lines
1.8 KiB
LLVM
; Test strict conversions of unsigned i32s to floating-point values (z10 only).
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
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declare float @llvm.experimental.constrained.uitofp.f32.i32(i32, metadata, metadata)
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declare double @llvm.experimental.constrained.uitofp.f64.i32(i32, metadata, metadata)
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declare fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32, metadata, metadata)
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; Check i32->f32. There is no native instruction, so we must promote
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; to i64 first.
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define float @f1(i32 %i) #0 {
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; CHECK-LABEL: f1:
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; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
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; CHECK: cegbr %f0, [[REGISTER]]
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; CHECK: br %r14
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%conv = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %conv
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}
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; Check i32->f64.
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define double @f2(i32 %i) #0 {
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; CHECK-LABEL: f2:
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; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
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; CHECK: cdgbr %f0, [[REGISTER]]
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; CHECK: br %r14
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%conv = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %conv
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}
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; Check i32->f128.
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define void @f3(i32 %i, ptr %dst) #0 {
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; CHECK-LABEL: f3:
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; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
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; CHECK: cxgbr %f0, [[REGISTER]]
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; CHECK: std %f0, 0(%r3)
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; CHECK: std %f2, 8(%r3)
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; CHECK: br %r14
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%conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32 %i,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %conv, ptr %dst
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ret void
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}
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attributes #0 = { strictfp }
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