mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-23 15:29:51 +00:00
b503b49b51
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.2 KiB
LLVM
53 lines
1.2 KiB
LLVM
; Test the "R" asm constraint, which accepts addresses that have a base,
|
|
; an index and a 12-bit displacement.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check the lowest range.
|
|
define void @f1(i64 %base) {
|
|
; CHECK: f1:
|
|
; CHECK: blah 0(%r2)
|
|
; CHECK: br %r14
|
|
%addr = inttoptr i64 %base to i64 *
|
|
call void asm "blah $0", "=*R" (i64 *%addr)
|
|
ret void
|
|
}
|
|
|
|
; Check the next lowest byte.
|
|
define void @f2(i64 %base) {
|
|
; CHECK: f2:
|
|
; CHECK: aghi %r2, -1
|
|
; CHECK: blah 0(%r2)
|
|
; CHECK: br %r14
|
|
%add = add i64 %base, -1
|
|
%addr = inttoptr i64 %add to i64 *
|
|
call void asm "blah $0", "=*R" (i64 *%addr)
|
|
ret void
|
|
}
|
|
|
|
; Check the highest range.
|
|
define void @f3(i64 %base) {
|
|
; CHECK: f3:
|
|
; CHECK: blah 4095(%r2)
|
|
; CHECK: br %r14
|
|
%add = add i64 %base, 4095
|
|
%addr = inttoptr i64 %add to i64 *
|
|
call void asm "blah $0", "=*R" (i64 *%addr)
|
|
ret void
|
|
}
|
|
|
|
; Check the next highest byte.
|
|
define void @f4(i64 %base) {
|
|
; CHECK: f4:
|
|
; CHECK: aghi %r2, 4096
|
|
; CHECK: blah 0(%r2)
|
|
; CHECK: br %r14
|
|
%add = add i64 %base, 4096
|
|
%addr = inttoptr i64 %add to i64 *
|
|
call void asm "blah $0", "=*R" (i64 *%addr)
|
|
ret void
|
|
}
|
|
|
|
; FIXME: at the moment the precise constraint is not passed down to
|
|
; target code, so we must conservatively treat "R" as "Q".
|