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Diffstat (limited to 'test/Assembler/ConstantExprFoldCast.ll')
| -rw-r--r-- | test/Assembler/ConstantExprFoldCast.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Assembler/ConstantExprFoldCast.ll b/test/Assembler/ConstantExprFoldCast.ll new file mode 100644 index 0000000000000..0ce6e84626a31 --- /dev/null +++ b/test/Assembler/ConstantExprFoldCast.ll @@ -0,0 +1,14 @@ +; This test checks to make sure that constant exprs fold in some simple situations + +; RUN: llvm-as < %s | llvm-dis | not grep cast + +@A = global i32* bitcast (i8* null to i32*) ; Cast null -> fold +@B = global i32** bitcast (i32** @A to i32**) ; Cast to same type -> fold +@C = global i32 trunc (i64 42 to i32) ; Integral casts +@D = global i32* bitcast(float* bitcast (i32* @C to float*) to i32*) ; cast of cast ptr->ptr +@E = global i32 ptrtoint(float* inttoptr (i8 5 to float*) to i32) ; i32 -> ptr -> i32 + +; Test folding of binary instrs +@F = global i32* inttoptr (i32 add (i32 5, i32 -5) to i32*) +@G = global i32* inttoptr (i32 sub (i32 5, i32 5) to i32*) + |