You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.5 KiB
58 lines
1.5 KiB
; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
|
|
|
|
define i64 @ror_i64(i64 %in) {
|
|
; CHECK-LABEL: ror_i64:
|
|
%left = shl i64 %in, 19
|
|
%right = lshr i64 %in, 45
|
|
%val5 = or i64 %left, %right
|
|
; CHECK: ror {{x[0-9]+}}, x0, #45
|
|
ret i64 %val5
|
|
}
|
|
|
|
define i32 @ror_i32(i32 %in) {
|
|
; CHECK-LABEL: ror_i32:
|
|
%left = shl i32 %in, 9
|
|
%right = lshr i32 %in, 23
|
|
%val5 = or i32 %left, %right
|
|
; CHECK: ror {{w[0-9]+}}, w0, #23
|
|
ret i32 %val5
|
|
}
|
|
|
|
define i32 @extr_i32(i32 %lhs, i32 %rhs) {
|
|
; CHECK-LABEL: extr_i32:
|
|
%left = shl i32 %lhs, 6
|
|
%right = lshr i32 %rhs, 26
|
|
%val = or i32 %left, %right
|
|
; Order of lhs and rhs matters here. Regalloc would have to be very odd to use
|
|
; something other than w0 and w1.
|
|
; CHECK: extr {{w[0-9]+}}, w0, w1, #26
|
|
|
|
ret i32 %val
|
|
}
|
|
|
|
define i64 @extr_i64(i64 %lhs, i64 %rhs) {
|
|
; CHECK-LABEL: extr_i64:
|
|
%right = lshr i64 %rhs, 40
|
|
%left = shl i64 %lhs, 24
|
|
%val = or i64 %right, %left
|
|
; Order of lhs and rhs matters here. Regalloc would have to be very odd to use
|
|
; something other than w0 and w1.
|
|
; CHECK: extr {{x[0-9]+}}, x0, x1, #40
|
|
|
|
ret i64 %val
|
|
}
|
|
|
|
; Regression test: a bad experimental pattern crept into git which optimised
|
|
; this pattern to a single EXTR.
|
|
define i32 @extr_regress(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: extr_regress:
|
|
|
|
%sh1 = shl i32 %a, 14
|
|
%sh2 = lshr i32 %b, 14
|
|
%val = or i32 %sh2, %sh1
|
|
; CHECK-NOT: extr {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, #{{[0-9]+}}
|
|
|
|
ret i32 %val
|
|
; CHECK: ret
|
|
}
|