1; RUN: llc -mtriple powerpc-ibm-aix-xcoff -code-model=small \
2; RUN: -stop-after=machine-cp -print-before=simple-register-coalescing 2>&1 < \
3; RUN: %s | FileCheck --check-prefix=SMALL %s
4
5; RUN: not --crash llc -mtriple powerpc-ibm-aix-xcoff -code-model=medium \
6; RUN: -stop-after=machine-cp 2>&1 < %s | FileCheck --check-prefix=MEDIUM %s
7
8; RUN: llc -mtriple powerpc-ibm-aix-xcoff -code-model=large \
9; RUN: -stop-after=machine-cp -print-before=simple-register-coalescing 2>&1 < \
10; RUN: %s | FileCheck --check-prefix=LARGE %s
11
12; RUN: llc -mtriple powerpc-ibm-aix-xcoff -stop-after=machine-cp \
13; RUN: -print-before=simple-register-coalescing 2>&1 < %s | FileCheck \
14; RUN: --check-prefix=SMALL %s
15
16@msg = common global i8* null, align 4
17@ptr = common global i8* null, align 4
18
19define void @foo() {
20entry:
21; SMALL: %0:gprc_and_gprc_nor0 = LWZtoc @msg, $r2 :: (load 4 from got)
22; SMALL: %1:gprc = LWZ 0, %0:gprc_and_gprc_nor0 :: (dereferenceable load 4 from @msg)
23; SMALL: %2:gprc_and_gprc_nor0 = LWZtoc @ptr, $r2 :: (load 4 from got)
24; SMALL: STW %1:gprc, 0, %2:gprc_and_gprc_nor0 :: (store 4 into @ptr)
25
26; MEDIUM: Medium code model is not supported on AIX.
27
28; LARGE: %0:gprc_and_gprc_nor0 = ADDIStocHA $r2, @msg
29; LARGE: %1:gprc_and_gprc_nor0 = LWZtocL @msg, %0:gprc_and_gprc_nor0, implicit $r2 :: (load 4 from got)
30; LARGE: %2:gprc = LWZ 0, %1:gprc_and_gprc_nor0 :: (dereferenceable load 4 from @msg)
31; LARGE: %3:gprc_and_gprc_nor0 = ADDIStocHA $r2, @ptr
32; LARGE: %4:gprc_and_gprc_nor0 = LWZtocL @ptr, %3:gprc_and_gprc_nor0, implicit $r2 :: (load 4 from got)
33; LARGE: STW %2:gprc, 0, %4:gprc_and_gprc_nor0 :: (store 4 into @ptr)
34
35  %0 = load i8*, i8** @msg, align 4
36  store i8* %0, i8** @ptr, align 4
37  ret void
38}
39