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|
; Ensure that shifts are lowered to loops when the barrel shifter unit is
; not available in the hardware and that loops are not used when the
; barrel shifter unit is available in the hardware.
;
; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s
; RUN: llc < %s -march=mblaze -mattr=+barrel | FileCheck -check-prefix=SHT %s
define i8 @test_i8(i8 %a, i8 %b) {
; FUN: test_i8:
; SHT: test_i8:
%tmp.1 = shl i8 %a, %b
; FUN: andi
; FUN: add
; FUN: bnei
; SHT-NOT: bnei
ret i8 %tmp.1
; FUN: rtsd
; SHT: rtsd
; FUN-NOT: bsll
; SHT-NEXT: bsll
}
define i8 @testc_i8(i8 %a, i8 %b) {
; FUN: testc_i8:
; SHT: testc_i8:
%tmp.1 = shl i8 %a, 5
; FUN: andi
; FUN: add
; FUN: bnei
; SHT-NOT: andi
; SHT-NOT: add
; SHT-NOT: bnei
ret i8 %tmp.1
; FUN: rtsd
; SHT: rtsd
; FUN-NOT: bsll
; SHT-NEXT: bslli
}
define i16 @test_i16(i16 %a, i16 %b) {
; FUN: test_i16:
; SHT: test_i16:
%tmp.1 = shl i16 %a, %b
; FUN: andi
; FUN: add
; FUN: bnei
; SHT-NOT: bnei
ret i16 %tmp.1
; FUN: rtsd
; SHT: rtsd
; FUN-NOT: bsll
; SHT-NEXT: bsll
}
define i16 @testc_i16(i16 %a, i16 %b) {
; FUN: testc_i16:
; SHT: testc_i16:
%tmp.1 = shl i16 %a, 5
; FUN: andi
; FUN: add
; FUN: bnei
; SHT-NOT: andi
; SHT-NOT: add
; SHT-NOT: bnei
ret i16 %tmp.1
; FUN: rtsd
; SHT: rtsd
; FUN-NOT: bsll
; SHT-NEXT: bslli
}
define i32 @test_i32(i32 %a, i32 %b) {
; FUN: test_i32:
; SHT: test_i32:
%tmp.1 = shl i32 %a, %b
; FUN: andi
; FUN: add
; FUN: bnei
; SHT-NOT: andi
; SHT-NOT: bnei
ret i32 %tmp.1
; FUN: rtsd
; SHT: rtsd
; FUN-NOT: bsll
; SHT-NEXT: bsll
}
define i32 @testc_i32(i32 %a, i32 %b) {
; FUN: testc_i32:
; SHT: testc_i32:
%tmp.1 = shl i32 %a, 5
; FUN: andi
; FUN: add
; FUN: bnei
; SHT-NOT: andi
; SHT-NOT: add
; SHT-NOT: bnei
ret i32 %tmp.1
; FUN: rtsd
; SHT: rtsd
; FUN-NOT: bsll
; SHT-NEXT: bslli
}
|
