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Diffstat (limited to 'test/Assembler/2002-04-07-HexFloatConstants.ll')
| -rw-r--r-- | test/Assembler/2002-04-07-HexFloatConstants.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Assembler/2002-04-07-HexFloatConstants.ll b/test/Assembler/2002-04-07-HexFloatConstants.ll new file mode 100644 index 0000000..b9860b3 --- /dev/null +++ b/test/Assembler/2002-04-07-HexFloatConstants.ll @@ -0,0 +1,16 @@ +; 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: llvm-as < %s | opt -constprop | llvm-dis > %t.1 +; RUN: llvm-as < %s | llvm-dis | llvm-as | opt -constprop | \ +; RUN: llvm-dis > %t.2 +; RUN: diff %t.1 %t.2 + +define double @test() { + %tmp = mul double 7.200000e+101, 0x427F4000 ; <double> [#uses=1] + ret double %tmp +} |