40 lines
790 B
LLVM
40 lines
790 B
LLVM
|
; Test the GPR constraint "a", which forbids %r0.
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s
|
||
|
|
|
||
|
|
define i64 @f1() {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: lhi %r1, 1
|
||
|
|
; CHECK: blah %r2 %r1
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = call i64 asm "blah $0 $1", "=r,a" (i8 1)
|
||
|
|
ret i64 %val
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @f2() {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: lhi %r1, 2
|
||
|
|
; CHECK: blah %r2 %r1
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = call i64 asm "blah $0 $1", "=r,a" (i16 2)
|
||
|
|
ret i64 %val
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @f3() {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: lhi %r1, 3
|
||
|
|
; CHECK: blah %r2 %r1
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = call i64 asm "blah $0 $1", "=r,a" (i32 3)
|
||
|
|
ret i64 %val
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @f4() {
|
||
|
|
; CHECK-LABEL: f4:
|
||
|
|
; CHECK: lghi %r1, 4
|
||
|
|
; CHECK: blah %r2 %r1
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = call i64 asm "blah $0 $1", "=r,a" (i64 4)
|
||
|
|
ret i64 %val
|
||
|
|
}
|