derek.holloway
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53 lines
2.1 KiB
LLVM
53 lines
2.1 KiB
LLVM
; Test strict conversions between integer and float elements on z15.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z15 | FileCheck %s
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declare <4 x i32> @llvm.experimental.constrained.fptoui.v4i32.v4f32(<4 x float>, metadata)
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declare <4 x i32> @llvm.experimental.constrained.fptosi.v4i32.v4f32(<4 x float>, metadata)
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declare <4 x float> @llvm.experimental.constrained.uitofp.v4f32.v4i32(<4 x i32>, metadata, metadata)
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declare <4 x float> @llvm.experimental.constrained.sitofp.v4f32.v4i32(<4 x i32>, metadata, metadata)
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; Test conversion of f32s to signed i32s.
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define <4 x i32> @f1(<4 x float> %floats) #0 {
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; CHECK-LABEL: f1:
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; CHECK: vcfeb %v24, %v24, 0, 5
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; CHECK: br %r14
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%words = call <4 x i32> @llvm.experimental.constrained.fptosi.v4i32.v4f32(<4 x float> %floats,
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metadata !"fpexcept.strict") #0
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ret <4 x i32> %words
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}
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; Test conversion of f32s to unsigned i32s.
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define <4 x i32> @f2(<4 x float> %floats) #0 {
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; CHECK-LABEL: f2:
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; CHECK: vclfeb %v24, %v24, 0, 5
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; CHECK: br %r14
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%words = call <4 x i32> @llvm.experimental.constrained.fptoui.v4i32.v4f32(<4 x float> %floats,
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metadata !"fpexcept.strict") #0
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ret <4 x i32> %words
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}
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; Test conversion of signed i32s to f32s.
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define <4 x float> @f3(<4 x i32> %dwords) #0 {
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; CHECK-LABEL: f3:
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; CHECK: vcefb %v24, %v24, 0, 0
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; CHECK: br %r14
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%floats = call <4 x float> @llvm.experimental.constrained.sitofp.v4f32.v4i32(<4 x i32> %dwords,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret <4 x float> %floats
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}
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; Test conversion of unsigned i32s to f32s.
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define <4 x float> @f4(<4 x i32> %dwords) #0 {
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; CHECK-LABEL: f4:
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; CHECK: vcelfb %v24, %v24, 0, 0
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; CHECK: br %r14
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%floats = call <4 x float> @llvm.experimental.constrained.uitofp.v4f32.v4i32(<4 x i32> %dwords,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret <4 x float> %floats
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}
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attributes #0 = { strictfp }
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