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189e6bd6f5
This was completely broken, but hopefully fixed by this patch. In cases where it is needed, a vector with non byte-sized elements is stored by extracting, zero-extending, shift:ing and or:ing the elements into an integer of the same width as the vector, which is then stored. Review: Eli Friedman, Ulrich Weigand https://reviews.llvm.org/D42100#inline-369520 https://bugs.llvm.org/show_bug.cgi?id=35520 llvm-svn: 323042
36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64
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%destTy = type { i2, i2 }
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define void @crash(i64 %x0, i64 %y0, %destTy* nocapture %dest) nounwind {
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; X86-LABEL: crash:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NEXT: movb {{[0-9]+}}(%esp), %dl
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; X86-NEXT: shlb $2, %dl
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; X86-NEXT: andb $3, %cl
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; X86-NEXT: orb %dl, %cl
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; X86-NEXT: andb $15, %cl
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; X86-NEXT: movb %cl, (%eax)
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; X86-NEXT: retl
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;
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; X64-LABEL: crash:
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; X64: # %bb.0:
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; X64-NEXT: shlb $2, %sil
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; X64-NEXT: andb $3, %dil
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; X64-NEXT: orb %sil, %dil
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; X64-NEXT: andb $15, %dil
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; X64-NEXT: movb %dil, (%rdx)
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; X64-NEXT: retq
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%x1 = trunc i64 %x0 to i2
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%y1 = trunc i64 %y0 to i2
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%1 = bitcast %destTy* %dest to <2 x i2>*
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%2 = insertelement <2 x i2> undef, i2 %x1, i32 0
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%3 = insertelement <2 x i2> %2, i2 %y1, i32 1
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store <2 x i2> %3, <2 x i2>* %1, align 1
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ret void
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}
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