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Currently AArch64FastISel crashes if it tries to extend an integer into an MVT::i128. This can happen by creating 128 bit integers like so: typedef unsigned int uint128_t __attribute__((mode(TI))); typedef int sint128_t __attribute__((mode(TI))); This patch makes EmitIntExt check for their presence and then falls back to SelectionDAG. Tests included. rdar://17516686 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212492 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
411 B
LLVM
19 lines
411 B
LLVM
; RUN: llc -O0 -mtriple=arm64-apple-ios7.0 -mcpu=generic < %s | FileCheck %s
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; Function Attrs: nounwind ssp
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define void @test1() {
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%1 = sext i32 0 to i128
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call void @test2(i128 %1)
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ret void
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; The i128 is 0 so the we can test to make sure it is propogated into the x
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; registers that make up the i128 pair
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; CHECK: mov x0, xzr
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; CHECK: mov x1, x0
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; CHECK: bl _test2
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}
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declare void @test2(i128)
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