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Add test cases for PR1022, 1023.

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llvm-svn: 32002
This commit is contained in:
Evan Cheng 2006-11-29 01:57:06 +00:00
parent 4e07e4aa24
commit f26e88cfa4
1 changed files with 34 additions and 0 deletions
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34
test/Regression/CodeGen/X86/2006-11-28-Memcpy.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 &&
; RUN: llvm-as < %s | llc -march=x86 | grep 3721182122 | wc -l | grep 1 &&
; RUN: llvm-as < %s | llc -march=x86 | grep 'movl _bytes2' | wc -l | grep 1
; PR1022, 1023
%fmt = constant [4 x sbyte] c"%x\0A\00"
%bytes = constant [4 x sbyte] c"\AA\BB\CC\DD"
%bytes2 = global [4 x sbyte] c"\AA\BB\CC\DD"
int %test1() {
%y = alloca uint
%c = cast uint* %y to sbyte*
%z = getelementptr [4 x sbyte]* %bytes, int 0, int 0
call void %llvm.memcpy.i32( sbyte* %c, sbyte* %z, uint 4, uint 1 )
%r = load uint* %y
%t = cast [4 x sbyte]* %fmt to sbyte*
%tmp = call int (sbyte*, ...)* %printf( sbyte* %t, uint %r )
ret int 0
}
void %test2() {
%y = alloca uint
%c = cast uint* %y to sbyte*
%z = getelementptr [4 x sbyte]* %bytes2, int 0, int 0
call void %llvm.memcpy.i32( sbyte* %c, sbyte* %z, uint 4, uint 1 )
%r = load uint* %y
%t = cast [4 x sbyte]* %fmt to sbyte*
%tmp = call int (sbyte*, ...)* %printf( sbyte* %t, uint %r )
ret void
}
declare void %llvm.memcpy.i32(sbyte*, sbyte*, uint, uint)
declare int %printf(sbyte*, ...)