llvm-6502/test/Assembler/2002-04-07-HexFloatConstants.llx
Reid Spencer 90008f4bee For PR1319:
Upgrade to new Tcl exec based test framework. This exposes three regressions
in llvm-upgrade:
test/Assembler/2002-08-19-BytecodeReader.llx
test/Assembler/2003-08-21-ConstantExprCast-Fold.llx
test/Assembler/2004-01-11-getelementptrfolding.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36067 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-15 10:07:55 +00:00

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; 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-upgrade < %s | llvm-as | opt -constprop | llvm-dis > %t.1
; RUN: llvm-upgrade < %s | llvm-as | llvm-dis | llvm-as | opt -constprop | \
; RUN: llvm-dis > %t.2
; RUN: diff %t.1 %t.2
implementation
double "test"()
begin
%tmp = mul double 72.0e100, 0x427f4000
ret double %tmp
end