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Regression test for live range bug for call arguments.

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llvm-svn: 3962
This commit is contained in:
Vikram S. Adve 2002-09-28 16:51:47 +00:00
parent 940f3fa91b
commit d3a8e54af0
2 changed files with 60 additions and 0 deletions
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30
test/Regression/LLC/badCallArgLR.llvm.ll Normal file
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; This caused a problem because the argument of a call was defined by
; the return value of another call that appears later in the code.
; When processing the first call, the second call has not yet been processed
; so no LiveRange has been created for its return value.
;
; llc dies in UltraSparcRegInfo::suggestRegs4CallArgs() with:
; ERROR: In call instr, no LR for arg: 0x1009e0740
;
implementation ; Functions:
declare int %getInt(int);
int %main(int %argc, sbyte** %argv) {
bb0: ;[#uses=0]
br label %bb2
bb1:
%reg222 = call int (int)* %getInt(int %reg218) ;; ARG #1 HAS NO LR
%reg110 = add int %reg222, 1
%b = setle int %reg110, 0
br bool %b, label %bb2, label %bb3
bb2:
%reg218 = call int (int)* %getInt(int %argc) ;; THIS CALL NOT YET SEEN
br label %bb1
bb3:
ret int %reg110
}

30
test/Regression/LLC/badCallArgLRLLVM.ll Normal file
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; This caused a problem because the argument of a call was defined by
; the return value of another call that appears later in the code.
; When processing the first call, the second call has not yet been processed
; so no LiveRange has been created for its return value.
;
; llc dies in UltraSparcRegInfo::suggestRegs4CallArgs() with:
; ERROR: In call instr, no LR for arg: 0x1009e0740
;
implementation ; Functions:
declare int %getInt(int);
int %main(int %argc, sbyte** %argv) {
bb0: ;[#uses=0]
br label %bb2
bb1:
%reg222 = call int (int)* %getInt(int %reg218) ;; ARG #1 HAS NO LR
%reg110 = add int %reg222, 1
%b = setle int %reg110, 0
br bool %b, label %bb2, label %bb3
bb2:
%reg218 = call int (int)* %getInt(int %argc) ;; THIS CALL NOT YET SEEN
br label %bb1
bb3:
ret int %reg110
}