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| author | Vikram S. Adve <vadve@cs.uiuc.edu> | 2002-09-28 16:51:47 +0000 |
|---|---|---|
| committer | Vikram S. Adve <vadve@cs.uiuc.edu> | 2002-09-28 16:51:47 +0000 |
| commit | d92bd6f95161505fc3ca4a9b4ab41a39d4bf86b6 (patch) | |
| tree | 06252368a5daa0a4697283a147bf4ccad150cc57 | |
| parent | 34d16d64b005b6e1b0f309195b8a01aff95c1271 (diff) | |
| download | bcm5719-llvm-d92bd6f95161505fc3ca4a9b4ab41a39d4bf86b6.tar.gz bcm5719-llvm-d92bd6f95161505fc3ca4a9b4ab41a39d4bf86b6.zip | |
Regression test for live range bug for call arguments.
llvm-svn: 3962
| -rw-r--r-- | llvm/test/Regression/LLC/badCallArgLR.llvm.ll | 30 | ||||
| -rw-r--r-- | llvm/test/Regression/LLC/badCallArgLRLLVM.ll | 30 |
2 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/Regression/LLC/badCallArgLR.llvm.ll b/llvm/test/Regression/LLC/badCallArgLR.llvm.ll new file mode 100644 index 00000000000..0a29e6de18a --- /dev/null +++ b/llvm/test/Regression/LLC/badCallArgLR.llvm.ll @@ -0,0 +1,30 @@ +; 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 +} + diff --git a/llvm/test/Regression/LLC/badCallArgLRLLVM.ll b/llvm/test/Regression/LLC/badCallArgLRLLVM.ll new file mode 100644 index 00000000000..0a29e6de18a --- /dev/null +++ b/llvm/test/Regression/LLC/badCallArgLRLLVM.ll @@ -0,0 +1,30 @@ +; 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 +} + |
