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eacb7020ec
Update the test suite to accommodate the change from signed integer types to signless integer types. The changes were of only a few kinds: 1. Make sure llvm-upgrade is run on the source which does the bulk of the changes automatically. 2. Change things like "grep 'int'" to "grep 'i32'" 3. In several tests bitcasting caused the same name to be reused in the same type plane. These had to be manually fixed. The fix was (generally) to leave the bitcast and provide the instruction with a new name. This should not affect the semantics of the test. In a few cases, the bitcasts were known to be superfluous and irrelevant to the test case so they were removed. 4. One test case uses a bytecode file which needed to be updated to the latest bytecode format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32789 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
2.1 KiB
LLVM
42 lines
2.1 KiB
LLVM
; RUN: llvm-upgrade < %s | llvm-as | opt -indvars -instcombine | llvm-dis | grep 'store i32 0'
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; Test that -indvars can reduce variable stride IVs. If it can reduce variable
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; stride iv's, it will make %iv. and %m.0.0 isomorphic to each other without
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; cycles, allowing the tmp.21 subtraction to be eliminated.
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void %vnum_test8(int* %data) {
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entry:
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%tmp.1 = getelementptr int* %data, int 3 ; <int*> [#uses=1]
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%tmp.2 = load int* %tmp.1 ; <int> [#uses=2]
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%tmp.4 = getelementptr int* %data, int 4 ; <int*> [#uses=1]
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%tmp.5 = load int* %tmp.4 ; <int> [#uses=2]
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%tmp.8 = getelementptr int* %data, int 2 ; <int*> [#uses=1]
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%tmp.9 = load int* %tmp.8 ; <int> [#uses=3]
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%tmp.125 = setgt int %tmp.2, 0 ; <bool> [#uses=1]
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br bool %tmp.125, label %no_exit.preheader, label %return
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no_exit.preheader: ; preds = %entry
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%tmp.16 = getelementptr int* %data, int %tmp.9 ; <int*> [#uses=1]
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br label %no_exit
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no_exit: ; preds = %no_exit, %no_exit.preheader
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%iv.ui = phi uint [ 0, %no_exit.preheader ], [ %iv..inc.ui, %no_exit ] ; <uint> [#uses=1]
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%iv. = phi int [ %tmp.5, %no_exit.preheader ], [ %iv..inc, %no_exit ] ; <int> [#uses=2]
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%m.0.0 = phi int [ %tmp.5, %no_exit.preheader ], [ %tmp.24, %no_exit ] ; <int> [#uses=2]
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store int 2, int* %tmp.16
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%tmp.21 = sub int %m.0.0, %iv. ; <int> [#uses=1]
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store int %tmp.21, int* %data
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%tmp.24 = add int %m.0.0, %tmp.9 ; <int> [#uses=1]
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%iv..inc = add int %tmp.9, %iv. ; <int> [#uses=1]
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%iv..inc.ui = add uint %iv.ui, 1 ; <uint> [#uses=2]
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%iv..inc1 = cast uint %iv..inc.ui to int ; <int> [#uses=1]
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%tmp.12 = setlt int %iv..inc1, %tmp.2 ; <bool> [#uses=1]
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br bool %tmp.12, label %no_exit, label %return.loopexit
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return.loopexit: ; preds = %no_exit
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br label %return
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return: ; preds = %return.loopexit, %entry
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ret void
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}
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