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Test case for PR1093 for llvm.va_* intrinsics upgrade. 

llvm-svn: 33162
This commit is contained in:
Reid Spencer 2007-01-13 00:00:43 +00:00
parent 3dd792294f
commit 1da3a4fca3
1 changed files with 54 additions and 0 deletions
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llvm/test/Regression/Assembler/2007-01-12-Varargs-Upgrade.ll Normal file
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; For PR1093: This test checks that llvm-upgrade correctly translates
; the llvm.va_* intrinsics to their cannonical argument form (i8*).
; RUN: llvm-upgrade < %s | llvm-as | llvm-dis | \
; RUN: grep 'va_upgrade[0-9] = bitcast' | wc -l | grep 5
%str = internal constant [7 x ubyte] c"%d %d\0A\00" ; <[7 x ubyte]*> [#uses=1]
implementation ; Functions:
void %f(int %a_arg, ...) {
entry:
%a = cast int %a_arg to uint ; <uint> [#uses=1]
%l1 = alloca sbyte*, align 4 ; <sbyte**> [#uses=5]
%l2 = alloca sbyte*, align 4 ; <sbyte**> [#uses=4]
%memtmp = alloca sbyte* ; <sbyte**> [#uses=2]
call void %llvm.va_start( sbyte** %l1 )
%tmp22 = seteq int %a_arg, 0 ; <bool> [#uses=1]
%tmp23 = volatile load sbyte** %l1 ; <sbyte*> [#uses=2]
br bool %tmp22, label %bb8, label %bb
bb: ; preds = %bb, %entry
%indvar = phi uint [ 0, %entry ], [ %indvar.next, %bb ] ; <uint> [#uses=1]
%tmp.0 = phi sbyte* [ %tmp23, %entry ], [ %tmp, %bb ] ; <sbyte*> [#uses=2]
%tmp2 = getelementptr sbyte* %tmp.0, int 4 ; <sbyte*> [#uses=1]
volatile store sbyte* %tmp2, sbyte** %l1
%tmp3 = cast sbyte* %tmp.0 to int* ; <int*> [#uses=1]
%tmp = load int* %tmp3 ; <int> [#uses=1]
%tmp = volatile load sbyte** %l1 ; <sbyte*> [#uses=2]
%indvar.next = add uint %indvar, 1 ; <uint> [#uses=2]
%exitcond = seteq uint %indvar.next, %a ; <bool> [#uses=1]
br bool %exitcond, label %bb8, label %bb
bb8: ; preds = %bb, %entry
%p1.0.1 = phi int [ undef, %entry ], [ %tmp, %bb ] ; <int> [#uses=1]
%tmp.1 = phi sbyte* [ %tmp23, %entry ], [ %tmp, %bb ] ; <sbyte*> [#uses=1]
store sbyte* %tmp.1, sbyte** %memtmp
call void %llvm.va_copy( sbyte** %l2, sbyte** %memtmp )
%tmp10 = volatile load sbyte** %l2 ; <sbyte*> [#uses=2]
%tmp12 = getelementptr sbyte* %tmp10, int 4 ; <sbyte*> [#uses=1]
volatile store sbyte* %tmp12, sbyte** %l2
%tmp13 = cast sbyte* %tmp10 to int* ; <int*> [#uses=1]
%tmp14 = load int* %tmp13 ; <int> [#uses=1]
%tmp17 = call int (ubyte*, ...)* %printf( ubyte* getelementptr ([7 x ubyte]* %str, int 0, uint 0), int %p1.0.1, int %tmp14 ) ; <int> [#uses=0]
call void %llvm.va_end( sbyte** %l1 )
call void %llvm.va_end( sbyte** %l2 )
ret void
}
declare void %llvm.va_start(sbyte**)
declare void %llvm.va_copy(sbyte**, sbyte**)
declare int %printf(ubyte*, ...)
declare void %llvm.va_end(sbyte**)