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llvm-project/llvm/test/CodeGen/X86/shuffle-combine-crash-2.ll

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[X86][SSE] Fixed shuffle MOVSS/MOVSD combining of all zeroable inputs Turns out it can happen, so the assertion was too harsh Found during fuzz testing llvm-svn: 297833
2017-03-15 21:16:46 +08:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
define <4 x i64> @fold_movsd_zero() {
; X86-LABEL: fold_movsd_zero:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X86: # %bb.0:
[X86][SSE] Fixed shuffle MOVSS/MOVSD combining of all zeroable inputs Turns out it can happen, so the assertion was too harsh Found during fuzz testing llvm-svn: 297833
2017-03-15 21:16:46 +08:00
; X86-NEXT: xorps %xmm0, %xmm0
; X86-NEXT: xorps %xmm1, %xmm1
; X86-NEXT: retl
;
; X64-LABEL: fold_movsd_zero:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; X64: # %bb.0:
[X86][SSE] Fixed shuffle MOVSS/MOVSD combining of all zeroable inputs Turns out it can happen, so the assertion was too harsh Found during fuzz testing llvm-svn: 297833
2017-03-15 21:16:46 +08:00
; X64-NEXT: xorps %xmm0, %xmm0
; X64-NEXT: xorps %xmm1, %xmm1
; X64-NEXT: retq
%insert = insertelement <4 x i64> zeroinitializer, i64 0, i32 0
%shuffle = shufflevector <4 x i64> %insert, <4 x i64> zeroinitializer, <4 x i32> <i32 3, i32 5, i32 7, i32 1>
ret <4 x i64> %shuffle
}