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0f9e84c16f
In the code to detect fixed-point conversions and make use of AArch64's special instructions, we weren't prepared for weird types. The fptosi direction got fixed recently, but not the similar sitofp code. llvm-svn: 279852
44 lines
1.7 KiB
LLVM
44 lines
1.7 KiB
LLVM
; RUN: llc -mtriple=aarch64-apple-ios %s -o - | FileCheck %s
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define <16 x double> @test_sitofp_fixed(<16 x i32> %in) {
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; CHECK-LABEL: test_sitofp_fixed:
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; First, extend each i32 to i64
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; CHECK-DAG: sshll2.2d [[BLOCK0_HI:v[0-9]+]], v0, #0
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; CHECK-DAG: sshll2.2d [[BLOCK1_HI:v[0-9]+]], v1, #0
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; CHECK-DAG: sshll2.2d [[BLOCK2_HI:v[0-9]+]], v2, #0
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; CHECK-DAG: sshll2.2d [[BLOCK3_HI:v[0-9]+]], v3, #0
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; CHECK-DAG: sshll.2d [[BLOCK0_LO:v[0-9]+]], v0, #0
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; CHECK-DAG: sshll.2d [[BLOCK1_LO:v[0-9]+]], v1, #0
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; CHECK-DAG: sshll.2d [[BLOCK2_LO:v[0-9]+]], v2, #0
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; CHECK-DAG: sshll.2d [[BLOCK3_LO:v[0-9]+]], v3, #0
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; Next, convert each to double.
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; CHECK-DAG: scvtf.2d v0, [[BLOCK0_LO]]
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; CHECK-DAG: scvtf.2d v1, [[BLOCK0_HI]]
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; CHECK-DAG: scvtf.2d v2, [[BLOCK1_LO]]
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; CHECK-DAG: scvtf.2d v3, [[BLOCK1_HI]]
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; CHECK-DAG: scvtf.2d v4, [[BLOCK2_LO]]
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; CHECK-DAG: scvtf.2d v5, [[BLOCK2_HI]]
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; CHECK-DAG: scvtf.2d v6, [[BLOCK3_LO]]
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; CHECK-DAG: scvtf.2d v7, [[BLOCK3_HI]]
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; CHECK: ret
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%flt = sitofp <16 x i32> %in to <16 x double>
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%res = fdiv <16 x double> %flt, <double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0, double 64.0>
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ret <16 x double> %res
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}
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; This one is small enough to satisfy isSimple, but still illegally large.
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define <4 x double> @test_sitofp_fixed_shortish(<4 x i64> %in) {
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; CHECK-LABEL: test_sitofp_fixed_shortish:
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; CHECK-DAG: scvtf.2d v0, v0
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; CHECK-DAG: scvtf.2d v1, v1
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; CHECK: ret
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%flt = sitofp <4 x i64> %in to <4 x double>
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%res = fdiv <4 x double> %flt, <double 64.0, double 64.0, double 64.0, double 64.0>
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ret <4 x double> %res
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}
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