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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3332 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 136 deletions

diff --git a/test/select.ll b/test/select.ll
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-%AConst    = constant int 123
-
-implementation
-
-; A SetCC whose result is used should produce instructions to
-; compute the boolean value in a register.  One whose result
-; is unused will only generate the condition code but not
-; the boolean result.
-; 
-void "unusedBool"(int * %x, int * %y)
-begin
-; <label>:0				;		[#uses=0]
-	seteq int * %x, %y		; <bool>:0	[#uses=1]
-	not bool %0			; <bool>:1	[#uses=0]
-	setne int * %x, %y		; <bool>:2	[#uses=0]
-	ret void
-end
-
-; A constant argument to a Phi produces a Cast instruction in the
-; corresponding predecessor basic block.  This checks a few things:
-; -- phi arguments coming from the bottom of the same basic block
-;    (they should not be forward substituted in the machine code!)
-; -- code generation for casts of various types
-; -- use of immediate fields for integral constants of different sizes
-; -- branch on a constant condition
-; 
-void "mergeConstants"(int * %x, int * %y)
-begin
-; <label>:0
-	br label %Top
-Top:
-	phi int    [ 0,    %0 ], [ 1,    %Top ], [ 524288, %Next ]
-	phi float  [ 0.0,  %0 ], [ 1.0,  %Top ], [ 2.0,    %Next ]
-	phi double [ 0.5,  %0 ], [ 1.5,  %Top ], [ 2.5,    %Next ]
-	phi bool   [ true, %0 ], [ false,%Top ], [ true,   %Next ]
-	br bool true, label %Top, label %Next
-Next:
-	br label %Top
-end
-
-
-
-; A constant argument to a cast used only once should be forward substituted
-; and loaded where needed, which happens is:
-; -- User of cast has no immediate field
-; -- User of cast has immediate field but constant is too large to fit
-;    or constant is not resolved until later (e.g., global address)
-; -- User of cast uses it as a call arg. or return value so it is an implicit
-;    use but has to be loaded into a virtual register so that the reg.
-;    allocator can allocate the appropriate phys. reg. for it
-;  
-int* "castconst"(float)
-begin
-; <label>:0
-	%castbig   = cast ulong 99999999 to int
-	%castsmall = cast ulong 1        to int
-	%usebig    = add int %castbig, %castsmall
-		
-	%castglob = cast int* %AConst to long*
-	%dummyl   = load long* %castglob
-	
-	%castnull = cast ulong 0 to int*
-	ret int* %castnull
-end
-
-
-
-; Test branch-on-comparison-with-zero, in two ways:
-; 1. can be folded
-; 2. cannot be folded because result of comparison is used twice
-;
-void "testbool"(int, int)   ; Def %0, %1
-	const int 0          ; Def 2
-	const int -4         ; Def 3
-begin
-; <label>:0
-	br label %Top
-Top:
-	add int %0, %1    ; Def 4
-	sub int %4, %3    ; Def 5
-	setle int %5, %2  ; Def 0 - bool plane
-	br bool %0, label %retlbl, label %loop
-
-loop:
-	add int %0, %1    ; Def 6
-	sub int %4, %3    ; Def 7
-	setle int %7, %2  ; Def 1 - bool
-	not bool %1		  ; Def 2 - bool. first use of bool %1
-	br bool %1, label %loop, label %Top   ;  second use of bool %1
-
-retlbl:
-	ret void
-end
-
-
-; Test branch on floating point comparison
-;
-void "testfloatbool"(float %x, float %y)   ; Def %0, %1 - float
-begin
-; <label>:0
-	br label %Top
-Top:
-	%p = add float %x, %y    ; Def 2 - float
-	%z = sub float %x, %y    ; Def 3 - float
-	%b = setle float %p, %z	 ; Def 0 - bool
-	%c = not bool %b	 ; Def 1 - bool
-	br bool %b, label %Top, label %goon
-goon:
-	ret void
-end
-
-
-; Test cases where an LLVM instruction requires no machine
-; instructions (e.g., cast int* to long).  But there are 2 cases:
-; 1. If the result register has only a single use and the use is in the
-;    same basic block, the operand will be copy-propagated during
-;    instruction selection.
-; 2. If the result register has multiple uses or is in a different
-;    basic block, it cannot (or will not) be copy propagated during
-;    instruction selection.  It will generate a
-;    copy instruction (add-with-0), but this copy should get coalesced
-;    away by the register allocator.
-;
-int "checkForward"(int %N, int* %A)
-begin
-
-bb2:		;;<label>
-	%reg114 = shl int %N, ubyte 2		;;
-	%cast115 = cast int %reg114 to int*	;; reg114 will be propagated
-	%reg116 = add int* %A, %cast115		;;
-	%reg118 = load int* %reg116		;;
-	%cast117 = cast int %reg118 to long	;; reg118 will be copied 'cos
-	%reg159 = add long 1234567, %cast117	;;  cast117 has 2 uses, here
-	%reg160 = add long 7654321, %cast117	;;  and here.
-	ret void
-end