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llvm-mirror/test/CodeGen/Hexagon/subh.ll
Krzysztof Parzyszek 66abdd815e [Hexagon] Add more lit tests
llvm-svn: 327271
2018-03-12 14:01:28 +00:00

25 lines
686 B
LLVM

; RUN: llc -march=hexagon < %s | FileCheck %s
; CHECK: r{{[0-9]+}} = sub(r{{[0-9]+}}.{{L|l}},r{{[0-9]+}}.{{L|l}})
; Function Attrs: nounwind readnone
define i64 @f0(i64 %a0, i16 zeroext %a1, i16 zeroext %a2) #0 {
b0:
%v0 = zext i16 %a1 to i32
%v1 = zext i16 %a2 to i32
%v2 = sub nsw i32 %v0, %v1
%v3 = shl i32 %v2, 16
%v4 = icmp slt i32 %v3, 65536
%v5 = ashr exact i32 %v3, 16
%v6 = select i1 %v4, i32 1, i32 %v5
%v7 = icmp sgt i32 %v6, 4
%v8 = add i32 %v6, 65535
%v9 = shl i64 %a0, 2
%v10 = and i32 %v8, 65535
%v11 = zext i32 %v10 to i64
%v12 = select i1 %v7, i64 3, i64 %v11
%v13 = or i64 %v12, %v9
ret i64 %v13
}
attributes #0 = { nounwind readnone }