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llvm-mirror/test/CodeGen/Hexagon/bit-bitsplit.ll
Krzysztof Parzyszek c55f04d14c [Hexagon] Generate bitsplit instruction
llvm-svn: 297239
2017-03-07 23:08:35 +00:00

18 lines
526 B
LLVM

; RUN: llc -march=hexagon < %s | FileCheck %s
; CHECK: bitsplit(r{{[0-9]+}},#5)
target triple = "hexagon"
define i32 @fred(i32 %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
entry:
%and = and i32 %a, 31
%shr = lshr i32 %a, 5
%arrayidx = getelementptr inbounds i32, i32* %b, i32 %shr
%0 = load i32, i32* %arrayidx, align 4
%shr1 = lshr i32 %0, %and
%and2 = and i32 %shr1, 1
ret i32 %and2
}
attributes #0 = { norecurse nounwind readonly "target-cpu"="hexagonv60" "target-features"="-hvx,-hvx-double" }