llvm-for-llvmta/test/CodeGen/PowerPC/fast-isel-shifter.ll

51 lines
892 B
LLVM

; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64
define i32 @shl() nounwind {
entry:
; ELF64: shl
; ELF64: slw
%shl = shl i32 -1, 2
ret i32 %shl
}
define i32 @shl_reg(i32 %src1, i32 %src2) nounwind {
entry:
; ELF64: shl_reg
; ELF64: slw
%shl = shl i32 %src1, %src2
ret i32 %shl
}
define i32 @lshr() nounwind {
entry:
; ELF64: lshr
; ELF64: srw
%lshr = lshr i32 -1, 2
ret i32 %lshr
}
define i32 @lshr_reg(i32 %src1, i32 %src2) nounwind {
entry:
; ELF64: lshr_reg
; ELF64: srw
%lshr = lshr i32 %src1, %src2
ret i32 %lshr
}
define i32 @ashr() nounwind {
entry:
; ELF64: ashr
; ELF64: srawi
%ashr = ashr i32 -1, 2
ret i32 %ashr
}
define i32 @ashr_reg(i32 %src1, i32 %src2) nounwind {
entry:
; ELF64: ashr_reg
; ELF64: sraw
%ashr = ashr i32 %src1, %src2
ret i32 %ashr
}