xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/mcm-5.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=pwr7 -code-model=medium <%s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=pwr7 -code-model=large <%s | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; Test correct code generation for medium and large code model
5*9880d681SAndroid Build Coastguard Worker; for loading the address of a jump table from the TOC.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
8*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-unknown-linux-gnu"
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine signext i32 @test_jump_table(i32 signext %i) nounwind {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  %i.addr = alloca i32, align 4
13*9880d681SAndroid Build Coastguard Worker  store i32 %i, i32* %i.addr, align 4
14*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %i.addr, align 4
15*9880d681SAndroid Build Coastguard Worker  switch i32 %0, label %sw.default [
16*9880d681SAndroid Build Coastguard Worker    i32 3, label %sw.bb
17*9880d681SAndroid Build Coastguard Worker    i32 4, label %sw.bb1
18*9880d681SAndroid Build Coastguard Worker    i32 5, label %sw.bb2
19*9880d681SAndroid Build Coastguard Worker    i32 6, label %sw.bb3
20*9880d681SAndroid Build Coastguard Worker  ]
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workersw.default:                                       ; preds = %entry
23*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workersw.bb:                                            ; preds = %entry
26*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %i.addr, align 4
27*9880d681SAndroid Build Coastguard Worker  %mul = mul nsw i32 %1, 7
28*9880d681SAndroid Build Coastguard Worker  store i32 %mul, i32* %i.addr, align 4
29*9880d681SAndroid Build Coastguard Worker  br label %sw.bb1
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workersw.bb1:                                           ; preds = %entry, %sw.bb
32*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %i.addr, align 4
33*9880d681SAndroid Build Coastguard Worker  %dec = add nsw i32 %2, -1
34*9880d681SAndroid Build Coastguard Worker  store i32 %dec, i32* %i.addr, align 4
35*9880d681SAndroid Build Coastguard Worker  br label %sw.bb2
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workersw.bb2:                                           ; preds = %entry, %sw.bb1
38*9880d681SAndroid Build Coastguard Worker  %3 = load i32, i32* %i.addr, align 4
39*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %3, 3
40*9880d681SAndroid Build Coastguard Worker  store i32 %add, i32* %i.addr, align 4
41*9880d681SAndroid Build Coastguard Worker  br label %sw.bb3
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Workersw.bb3:                                           ; preds = %entry, %sw.bb2
44*9880d681SAndroid Build Coastguard Worker  %4 = load i32, i32* %i.addr, align 4
45*9880d681SAndroid Build Coastguard Worker  %shl = shl i32 %4, 1
46*9880d681SAndroid Build Coastguard Worker  store i32 %shl, i32* %i.addr, align 4
47*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard Workersw.epilog:                                        ; preds = %sw.bb3, %sw.default
50*9880d681SAndroid Build Coastguard Worker  %5 = load i32, i32* %i.addr, align 4
51*9880d681SAndroid Build Coastguard Worker  ret i32 %5
52*9880d681SAndroid Build Coastguard Worker}
53*9880d681SAndroid Build Coastguard Worker
54*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_jump_table:
55*9880d681SAndroid Build Coastguard Worker; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha
56*9880d681SAndroid Build Coastguard Worker; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])
57*9880d681SAndroid Build Coastguard Worker; CHECK: ldx {{[0-9]+}}, {{[0-9]+}}, [[REG2]]
58*9880d681SAndroid Build Coastguard Worker; CHECK: .section .toc
59*9880d681SAndroid Build Coastguard Worker; CHECK: .LC[[TOCNUM]]:
60*9880d681SAndroid Build Coastguard Worker; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}}
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