llvm-6502/test/CodeGen/Generic/fp-to-int-invalid.ll
Dale Johannesen 2f91f30b93 Fix PR 4057, a crash doing float->char const folding.
This particular one is undefined behavior (although this
isn't related to the crash), so it will no longer do it
at compile time, which seems better.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24 21:34:13 +00:00

19 lines
590 B
LLVM

; RUN: llvm-as < %s | llc
; PR4057
define void @test_cast_float_to_char(i8* %result) nounwind {
entry:
%result_addr = alloca i8* ; <i8**> [#uses=2]
%test = alloca float ; <float*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i8* %result, i8** %result_addr
store float 0x40B2AFA160000000, float* %test, align 4
%0 = load float* %test, align 4 ; <float> [#uses=1]
%1 = fptosi float %0 to i8 ; <i8> [#uses=1]
%2 = load i8** %result_addr, align 4 ; <i8*> [#uses=1]
store i8 %1, i8* %2, align 1
br label %return
return: ; preds = %entry
ret void
}