1 ; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s 2 3 define i64 @ror_i64(i64 %in) { 4 ; CHECK-LABEL: ror_i64: 5 %left = shl i64 %in, 19 6 %right = lshr i64 %in, 45 7 %val5 = or i64 %left, %right 8 ; CHECK: ror {{x[0-9]+}}, x0, #45 9 ret i64 %val5 10 } 11 12 define i32 @ror_i32(i32 %in) { 13 ; CHECK-LABEL: ror_i32: 14 %left = shl i32 %in, 9 15 %right = lshr i32 %in, 23 16 %val5 = or i32 %left, %right 17 ; CHECK: ror {{w[0-9]+}}, w0, #23 18 ret i32 %val5 19 } 20 21 define i32 @extr_i32(i32 %lhs, i32 %rhs) { 22 ; CHECK-LABEL: extr_i32: 23 %left = shl i32 %lhs, 6 24 %right = lshr i32 %rhs, 26 25 %val = or i32 %left, %right 26 ; Order of lhs and rhs matters here. Regalloc would have to be very odd to use 27 ; something other than w0 and w1. 28 ; CHECK: extr {{w[0-9]+}}, w0, w1, #26 29 30 ret i32 %val 31 } 32 33 define i64 @extr_i64(i64 %lhs, i64 %rhs) { 34 ; CHECK-LABEL: extr_i64: 35 %right = lshr i64 %rhs, 40 36 %left = shl i64 %lhs, 24 37 %val = or i64 %right, %left 38 ; Order of lhs and rhs matters here. Regalloc would have to be very odd to use 39 ; something other than w0 and w1. 40 ; CHECK: extr {{x[0-9]+}}, x0, x1, #40 41 42 ret i64 %val 43 } 44 45 ; Regression test: a bad experimental pattern crept into git which optimised 46 ; this pattern to a single EXTR. 47 define i32 @extr_regress(i32 %a, i32 %b) { 48 ; CHECK-LABEL: extr_regress: 49 50 %sh1 = shl i32 %a, 14 51 %sh2 = lshr i32 %b, 14 52 %val = or i32 %sh2, %sh1 53 ; CHECK-NOT: extr {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, #{{[0-9]+}} 54 55 ret i32 %val 56 ; CHECK: ret 57 } 58
