2013-05-07 00:17:29 +08:00
|
|
|
; Test the "I" constraint (8-bit unsigned constants).
|
|
|
|
;
|
2015-01-14 03:45:16 +08:00
|
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s
|
2013-05-07 00:17:29 +08:00
|
|
|
|
|
|
|
; Test 1 below the first valid value.
|
|
|
|
define i32 @f1() {
|
2013-07-14 14:24:09 +08:00
|
|
|
; CHECK-LABEL: f1:
|
2013-05-07 00:17:29 +08:00
|
|
|
; CHECK: lhi [[REG:%r[0-5]]], -1
|
|
|
|
; CHECK: blah %r2 [[REG]]
|
|
|
|
; CHECK: br %r14
|
|
|
|
%val = call i32 asm "blah $0 $1", "=&r,rI" (i32 -1)
|
|
|
|
ret i32 %val
|
|
|
|
}
|
|
|
|
|
|
|
|
; Test the first valid value.
|
|
|
|
define i32 @f2() {
|
2013-07-14 14:24:09 +08:00
|
|
|
; CHECK-LABEL: f2:
|
2013-05-07 00:17:29 +08:00
|
|
|
; CHECK: blah %r2 0
|
|
|
|
; CHECK: br %r14
|
|
|
|
%val = call i32 asm "blah $0 $1", "=&r,rI" (i32 0)
|
|
|
|
ret i32 %val
|
|
|
|
}
|
|
|
|
|
|
|
|
; Test the last valid value.
|
|
|
|
define i32 @f3() {
|
2013-07-14 14:24:09 +08:00
|
|
|
; CHECK-LABEL: f3:
|
2013-05-07 00:17:29 +08:00
|
|
|
; CHECK: blah %r2 255
|
|
|
|
; CHECK: br %r14
|
|
|
|
%val = call i32 asm "blah $0 $1", "=&r,rI" (i32 255)
|
|
|
|
ret i32 %val
|
|
|
|
}
|
|
|
|
|
|
|
|
; Test 1 above the last valid value.
|
|
|
|
define i32 @f4() {
|
2013-07-14 14:24:09 +08:00
|
|
|
; CHECK-LABEL: f4:
|
2013-05-07 00:17:29 +08:00
|
|
|
; CHECK: lhi [[REG:%r[0-5]]], 256
|
|
|
|
; CHECK: blah %r2 [[REG]]
|
|
|
|
; CHECK: br %r14
|
|
|
|
%val = call i32 asm "blah $0 $1", "=&r,rI" (i32 256)
|
|
|
|
ret i32 %val
|
|
|
|
}
|