21 lines
678 B
LLVM
21 lines
678 B
LLVM
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -mattr=+simd128 | FileCheck %s
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; A regression test for a bug in the lowering of SIGN_EXTEND_INREG
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; with SIMD and without sign-ext where ISel would crash if the index
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; of the vector extract was not a constant.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32"
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; CHECK-LABEL: foo:
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; CHECK-NEXT: .functype foo () -> (f32)
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; CHECK: i32x4.load16x4_u
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; CHECK: f32.convert_i32_s
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define float @foo() {
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%1 = load <4 x i16>, <4 x i16>* undef, align 8
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%2 = load i32, i32* undef, align 4
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%vecext = extractelement <4 x i16> %1, i32 %2
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%conv = sitofp i16 %vecext to float
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ret float %conv
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}
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