mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 15:32:52 +01:00
114 lines
2.1 KiB
LLVM
114 lines
2.1 KiB
LLVM
; Test loading of 32-bit constants.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
declare void @foo(i32, i32, i32, i32)
|
|
|
|
; Check 0.
|
|
define i32 @f1() {
|
|
; CHECK: f1:
|
|
; CHECK: lhi %r2, 0
|
|
; CHECK: br %r14
|
|
ret i32 0
|
|
}
|
|
|
|
; Check the high end of the LHI range.
|
|
define i32 @f2() {
|
|
; CHECK: f2:
|
|
; CHECK: lhi %r2, 32767
|
|
; CHECK: br %r14
|
|
ret i32 32767
|
|
}
|
|
|
|
; Check the next value up, which must use LLILL instead.
|
|
define i32 @f3() {
|
|
; CHECK: f3:
|
|
; CHECK: llill %r2, 32768
|
|
; CHECK: br %r14
|
|
ret i32 32768
|
|
}
|
|
|
|
; Check the high end of the LLILL range.
|
|
define i32 @f4() {
|
|
; CHECK: f4:
|
|
; CHECK: llill %r2, 65535
|
|
; CHECK: br %r14
|
|
ret i32 65535
|
|
}
|
|
|
|
; Check the first useful LLILH value, which is the next one up.
|
|
define i32 @f5() {
|
|
; CHECK: f5:
|
|
; CHECK: llilh %r2, 1
|
|
; CHECK: br %r14
|
|
ret i32 65536
|
|
}
|
|
|
|
; Check the first useful IILF value, which is the next one up again.
|
|
define i32 @f6() {
|
|
; CHECK: f6:
|
|
; CHECK: iilf %r2, 65537
|
|
; CHECK: br %r14
|
|
ret i32 65537
|
|
}
|
|
|
|
; Check the high end of the LLILH range.
|
|
define i32 @f7() {
|
|
; CHECK: f7:
|
|
; CHECK: llilh %r2, 65535
|
|
; CHECK: br %r14
|
|
ret i32 -65536
|
|
}
|
|
|
|
; Check the next value up, which must use IILF.
|
|
define i32 @f8() {
|
|
; CHECK: f8:
|
|
; CHECK: iilf %r2, 4294901761
|
|
; CHECK: br %r14
|
|
ret i32 -65535
|
|
}
|
|
|
|
; Check the highest useful IILF value, 0xffff7fff
|
|
define i32 @f9() {
|
|
; CHECK: f9:
|
|
; CHECK: iilf %r2, 4294934527
|
|
; CHECK: br %r14
|
|
ret i32 -32769
|
|
}
|
|
|
|
; Check the next value up, which should use LHI.
|
|
define i32 @f10() {
|
|
; CHECK: f10:
|
|
; CHECK: lhi %r2, -32768
|
|
; CHECK: br %r14
|
|
ret i32 -32768
|
|
}
|
|
|
|
; Check -1.
|
|
define i32 @f11() {
|
|
; CHECK: f11:
|
|
; CHECK: lhi %r2, -1
|
|
; CHECK: br %r14
|
|
ret i32 -1
|
|
}
|
|
|
|
; Check that constant loads are rematerialized.
|
|
define i32 @f12() {
|
|
; CHECK: f12:
|
|
; CHECK-DAG: lhi %r2, 42
|
|
; CHECK-DAG: llill %r3, 32768
|
|
; CHECK-DAG: llilh %r4, 1
|
|
; CHECK-DAG: iilf %r5, 65537
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK-DAG: lhi %r2, 42
|
|
; CHECK-DAG: llill %r3, 32768
|
|
; CHECK-DAG: llilh %r4, 1
|
|
; CHECK-DAG: iilf %r5, 65537
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: lhi %r2, 42
|
|
; CHECK: br %r14
|
|
call void @foo(i32 42, i32 32768, i32 65536, i32 65537)
|
|
call void @foo(i32 42, i32 32768, i32 65536, i32 65537)
|
|
ret i32 42
|
|
}
|