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| -rw-r--r-- | test/Assembler/2002-04-07-HexFloatConstants.llx | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Assembler/2002-04-07-HexFloatConstants.llx b/test/Assembler/2002-04-07-HexFloatConstants.llx new file mode 100644 index 0000000000..422d3b4700 --- /dev/null +++ b/test/Assembler/2002-04-07-HexFloatConstants.llx @@ -0,0 +1,18 @@ +; This testcase checks to make sure that the assembler can handle floating +; point constants in IEEE hex format. This also checks that the disassembler, +; when presented with a FP constant that cannot be represented exactly in +; exponential form, outputs it correctly in hex format. This is a distillation +; of the bug that was causing the Olden Health benchmark to output incorrect +; results! +; +; RUN: as < %s | opt -constprop | dis > Output/%s && \ +; RUN: as < %s | dis | as | opt -constprop | dis > Output/%s2 && \ +; RUN: diff Output/%s Output/%s2 + +implementation + +double "test"() +begin + %tmp = mul double 72.0e100, 0x427f4000 + ret double %tmp +end |