xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/2010-02-12-saveCR.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=powerpc-apple-darwin -mcpu=g4 -break-anti-dependencies=none | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; ModuleID = 'hh.c'
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32"
4*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc-apple-darwin9.6"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @foo() nounwind {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker; Note that part of what is being checked here is proper register reuse.
9*9880d681SAndroid Build Coastguard Worker; CHECK: mfcr [[T1:r[0-9]+]]                         ; cr2
10*9880d681SAndroid Build Coastguard Worker; CHECK: lis [[T2:r[0-9]+]], 1
11*9880d681SAndroid Build Coastguard Worker; CHECK: addi r3, r1, 72
12*9880d681SAndroid Build Coastguard Worker; CHECK: rotlwi [[T1]], [[T1]], 8
13*9880d681SAndroid Build Coastguard Worker; CHECK: ori [[T2]], [[T2]], 34540
14*9880d681SAndroid Build Coastguard Worker; CHECK: stwx [[T1]], r1, [[T2]]
15*9880d681SAndroid Build Coastguard Worker; CHECK: lis [[T3:r[0-9]+]], 1
16*9880d681SAndroid Build Coastguard Worker; CHECK: mfcr [[T4:r[0-9]+]]                         ; cr3
17*9880d681SAndroid Build Coastguard Worker; CHECK: ori [[T3]], [[T3]], 34536
18*9880d681SAndroid Build Coastguard Worker; CHECK: rotlwi [[T4]], [[T4]], 12
19*9880d681SAndroid Build Coastguard Worker; CHECK: stwx [[T4]], r1, [[T3]]
20*9880d681SAndroid Build Coastguard Worker  %x = alloca [100000 x i8]                       ; <[100000 x i8]*> [#uses=1]
21*9880d681SAndroid Build Coastguard Worker  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
22*9880d681SAndroid Build Coastguard Worker  %x1 = bitcast [100000 x i8]* %x to i8*          ; <i8*> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker  call void @bar(i8* %x1) nounwind
24*9880d681SAndroid Build Coastguard Worker  call void asm sideeffect "", "~{cr2},~{cr3}"() nounwind
25*9880d681SAndroid Build Coastguard Worker  br label %return
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %entry
28*9880d681SAndroid Build Coastguard Worker; CHECK: lis [[T1:r[0-9]+]], 1
29*9880d681SAndroid Build Coastguard Worker; CHECK: ori [[T1]], [[T1]], 34536
30*9880d681SAndroid Build Coastguard Worker; CHECK: lwzx [[T1]], r1, [[T1]]
31*9880d681SAndroid Build Coastguard Worker; CHECK: rotlwi [[T1]], [[T1]], 20
32*9880d681SAndroid Build Coastguard Worker; CHECK: mtcrf 16, [[T1]]
33*9880d681SAndroid Build Coastguard Worker; CHECK: lis [[T1]], 1
34*9880d681SAndroid Build Coastguard Worker; CHECK: ori [[T1]], [[T1]], 34540
35*9880d681SAndroid Build Coastguard Worker; CHECK: lwzx [[T1]], r1, [[T1]]
36*9880d681SAndroid Build Coastguard Worker; CHECK: rotlwi [[T1]], [[T1]], 24
37*9880d681SAndroid Build Coastguard Worker; CHECK: mtcrf 32, [[T1]]
38*9880d681SAndroid Build Coastguard Worker  ret void
39*9880d681SAndroid Build Coastguard Worker}
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerdeclare void @bar(i8*)
42