21 lines
829 B
LLVM
21 lines
829 B
LLVM
; RUN: llc < %s -fast-isel -mattr=+simd128,+sign-ext -verify-machineinstrs
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;; Ensures fastisel produces valid code when storing and loading split
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;; up v2i64 values. Lowering away v2i64s is a temporary measure while
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;; V8 does not have support for i64x2.* operations, and is done when
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;; -wasm-enable-unimplemented-simd is not present. This is a
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;; regression test for a bug that crashed llc after fastisel produced
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;; machineinstrs that used registers that had never been defined.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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define i64 @foo(<2 x i64> %vec) {
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entry:
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%vec.addr = alloca <2 x i64>, align 16
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store <2 x i64> %vec, <2 x i64>* %vec.addr, align 16
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%0 = load <2 x i64>, <2 x i64>* %vec.addr, align 16
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%1 = extractelement <2 x i64> %0, i32 0
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ret i64 %1
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}
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