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author | Anton Korobeynikov <asl@math.spbu.ru> | 2010-05-01 12:28:21 +0000 |
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committer | Anton Korobeynikov <asl@math.spbu.ru> | 2010-05-01 12:28:21 +0000 |
commit | 1b17614a7283f903363f7c4305da6ea742d3d28b (patch) | |
tree | e45dca2414bd69e74eb96fa684b66de5e11784a6 /test | |
parent | 69d5b48bc31b7a443355cdf1506005804b4f63e6 (diff) | |
download | external_llvm-1b17614a7283f903363f7c4305da6ea742d3d28b.zip external_llvm-1b17614a7283f903363f7c4305da6ea742d3d28b.tar.gz external_llvm-1b17614a7283f903363f7c4305da6ea742d3d28b.tar.bz2 |
Do folding for indirect branches, where possible
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102836 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/MSP430/indirectbr2.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/MSP430/indirectbr2.ll b/test/CodeGen/MSP430/indirectbr2.ll new file mode 100644 index 0000000..93cfb25 --- /dev/null +++ b/test/CodeGen/MSP430/indirectbr2.ll @@ -0,0 +1,29 @@ +; RUN: llc -march=msp430 < %s | FileCheck %s +@C.0.2070 = private constant [5 x i8*] [i8* blockaddress(@foo, %L1), i8* blockaddress(@foo, %L2), i8* blockaddress(@foo, %L3), i8* blockaddress(@foo, %L4), i8* blockaddress(@foo, %L5)] ; <[5 x i8*]*> [#uses=1] + +define internal i16 @foo(i16 %i) nounwind { +entry: + %tmp1 = getelementptr inbounds [5 x i8*]* @C.0.2070, i16 0, i16 %i ; <i8**> [#uses=1] + %gotovar.4.0 = load i8** %tmp1, align 4 ; <i8*> [#uses=1] +; CHECK: mov.w .LC.0.2070(r15), pc + indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1] + +L5: ; preds = %bb2 + br label %L4 + +L4: ; preds = %L5, %bb2 + %res.0 = phi i16 [ 385, %L5 ], [ 35, %entry ] ; <i16> [#uses=1] + br label %L3 + +L3: ; preds = %L4, %bb2 + %res.1 = phi i16 [ %res.0, %L4 ], [ 5, %entry ] ; <i16> [#uses=1] + br label %L2 + +L2: ; preds = %L3, %bb2 + %res.2 = phi i16 [ %res.1, %L3 ], [ 1, %entry ] ; <i16> [#uses=1] + br label %L1 + +L1: ; preds = %L2, %bb2 + %res.3 = phi i16 [ %res.2, %L2 ], [ 2, %entry ] ; <i16> [#uses=1] + ret i16 %res.3 +} |