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llvm-mirror/test/CodeGen/SystemZ/int-move-01.ll
Ulrich Weigand 1431b3c2f5 [SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.

llvm-svn: 181204
2013-05-06 16:17:29 +00:00

36 lines
639 B
LLVM

; Test moves between GPRs.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test 8-bit moves, which should get promoted to i32.
define i8 @f1(i8 %a, i8 %b) {
; CHECK: f1:
; CHECK: lr %r2, %r3
; CHECK: br %r14
ret i8 %b
}
; Test 16-bit moves, which again should get promoted to i32.
define i16 @f2(i16 %a, i16 %b) {
; CHECK: f2:
; CHECK: lr %r2, %r3
; CHECK: br %r14
ret i16 %b
}
; Test 32-bit moves.
define i32 @f3(i32 %a, i32 %b) {
; CHECK: f3:
; CHECK: lr %r2, %r3
; CHECK: br %r14
ret i32 %b
}
; Test 64-bit moves.
define i64 @f4(i64 %a, i64 %b) {
; CHECK: f4:
; CHECK: lgr %r2, %r3
; CHECK: br %r14
ret i64 %b
}