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llvm-mirror/test/CodeGen/X86/shift-pair.ll
Tobias Grosser e81517c335 Revert "[X86] Widen the 'AND' mask if doing so shrinks the encoding size"
This reverts commit 245169 which miscompiles MultiSource/Applications/siod
from LNT.

llvm-svn: 245432
2015-08-19 11:35:10 +00:00

12 lines
204 B
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
define i64 @test(i64 %A) {
; CHECK: @test
; CHECK: shrq $54
; CHECK: andl $1020
; CHECK: ret
%B = lshr i64 %A, 56
%C = shl i64 %B, 2
ret i64 %C
}