Home | History | Annotate | Download | only in SystemZ
      1 ; Test moves between GPRs.
      2 ;
      3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
      4 
      5 ; Test 8-bit moves, which should get promoted to i32.
      6 define i8 @f1(i8 %a, i8 %b) {
      7 ; CHECK-LABEL: f1:
      8 ; CHECK: lr %r2, %r3
      9 ; CHECK: br %r14
     10   ret i8 %b
     11 }
     12 
     13 ; Test 16-bit moves, which again should get promoted to i32.
     14 define i16 @f2(i16 %a, i16 %b) {
     15 ; CHECK-LABEL: f2:
     16 ; CHECK: lr %r2, %r3
     17 ; CHECK: br %r14
     18   ret i16 %b
     19 }
     20 
     21 ; Test 32-bit moves.
     22 define i32 @f3(i32 %a, i32 %b) {
     23 ; CHECK-LABEL: f3:
     24 ; CHECK: lr %r2, %r3
     25 ; CHECK: br %r14
     26   ret i32 %b
     27 }
     28 
     29 ; Test 64-bit moves.
     30 define i64 @f4(i64 %a, i64 %b) {
     31 ; CHECK-LABEL: f4:
     32 ; CHECK: lgr %r2, %r3
     33 ; CHECK: br %r14
     34   ret i64 %b
     35 }
     36