xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2009-09-10-LoadFoldingBug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=pic -disable-fp-elim | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; It's not legal to fold a load from 32-bit stack slot into a 64-bit
4*9880d681SAndroid Build Coastguard Worker; instruction. If done, the instruction does a 64-bit load and that's not
5*9880d681SAndroid Build Coastguard Worker; safe. This can happen we a subreg_to_reg 0 has been coalesced. One
6*9880d681SAndroid Build Coastguard Worker; exception is when the instruction that folds the load is a move, then we
7*9880d681SAndroid Build Coastguard Worker; can simply turn it into a 32-bit load from the stack slot.
8*9880d681SAndroid Build Coastguard Worker; rdar://7170444
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker%struct.ComplexType = type { i32 }
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerdefine i32 @t(i32 %clientPort, i32 %pluginID, i32 %requestID, i32 %objectID, i64 %serverIdentifier, i64 %argumentsData, i32 %argumentsLength) ssp personality i32 (...)* @__gxx_personality_v0 {
13*9880d681SAndroid Build Coastguard Workerentry:
14*9880d681SAndroid Build Coastguard Worker; CHECK: _t:
15*9880d681SAndroid Build Coastguard Worker; CHECK: movl 16(%rbp),
16*9880d681SAndroid Build Coastguard Worker  %0 = zext i32 %argumentsLength to i64           ; <i64> [#uses=1]
17*9880d681SAndroid Build Coastguard Worker  %1 = zext i32 %clientPort to i64                ; <i64> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker  %2 = inttoptr i64 %1 to %struct.ComplexType*    ; <%struct.ComplexType*> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker  %3 = invoke i8* @pluginInstance(i8* undef, i32 %pluginID)
20*9880d681SAndroid Build Coastguard Worker          to label %invcont unwind label %lpad    ; <i8*> [#uses=1]
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerinvcont:                                          ; preds = %entry
23*9880d681SAndroid Build Coastguard Worker  %4 = add i32 %requestID, %pluginID              ; <i32> [#uses=0]
24*9880d681SAndroid Build Coastguard Worker  %5 = invoke zeroext i8 @invoke(i8* %3, i32 %objectID, i8* undef, i64 %argumentsData, i32 %argumentsLength, i64* undef, i32* undef)
25*9880d681SAndroid Build Coastguard Worker          to label %invcont1 unwind label %lpad   ; <i8> [#uses=0]
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerinvcont1:                                         ; preds = %invcont
28*9880d681SAndroid Build Coastguard Worker  %6 = getelementptr inbounds %struct.ComplexType, %struct.ComplexType* %2, i64 0, i32 0 ; <i32*> [#uses=1]
29*9880d681SAndroid Build Coastguard Worker  %7 = load i32, i32* %6, align 4                      ; <i32> [#uses=1]
30*9880d681SAndroid Build Coastguard Worker  invoke void @booleanAndDataReply(i32 %7, i32 undef, i32 %requestID, i32 undef, i64 undef, i32 undef)
31*9880d681SAndroid Build Coastguard Worker          to label %invcont2 unwind label %lpad
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerinvcont2:                                         ; preds = %invcont1
34*9880d681SAndroid Build Coastguard Worker  ret i32 0
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerlpad:                                             ; preds = %invcont1, %invcont, %entry
37*9880d681SAndroid Build Coastguard Worker  %exn = landingpad {i8*, i32}
38*9880d681SAndroid Build Coastguard Worker            cleanup
39*9880d681SAndroid Build Coastguard Worker  %8 = call i32 @vm_deallocate(i32 undef, i64 0, i64 %0) ; <i32> [#uses=0]
40*9880d681SAndroid Build Coastguard Worker  unreachable
41*9880d681SAndroid Build Coastguard Worker}
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Workerdeclare i32 @vm_deallocate(i32, i64, i64)
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Workerdeclare i8* @pluginInstance(i8*, i32)
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Workerdeclare zeroext i8 @invoke(i8*, i32, i8*, i64, i32, i64*, i32*)
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard Workerdeclare void @booleanAndDataReply(i32, i32, i32, i32, i64, i32)
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Workerdeclare i32 @__gxx_personality_v0(...)
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