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annotate test/alloca1.d @ 203:e881c9b1c738 trunk

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[svn r219] Fixed: the tango/lib/gc/basic garbage collector now compiles and links into an executable (change in tango/lib/llvmdc-posix.mak), closes #5 . Changed: removed the crappy realloc based dynamic memory runtime and started moving over to DMD style runtime support, part of moving to real GC. Fixed: dynamic arrays now use GC runtime for allocating memory. Fixed: new expression now use GC for allocating memory. Changed: revamped the dynamic array support routines related to dynamic memory. Fixed: assertions no longer create exsessive allocas. Changed: misc. minor cleanups.
author lindquist
date Tue, 13 May 2008 14:42:09 +0200
parents 61615fa85940
children d9d5d59873d8
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61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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1 module alloca1;
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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2
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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3 pragma(LLVM_internal, "alloca")
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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4 void* alloca(uint);
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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5
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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6 void main()
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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7 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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8 int n = 16;
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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9 int* p = cast(int*)alloca(n*int.sizeof);
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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10 int[] a = p[0..n];
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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11 a[] = 0;
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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12 foreach(i,v; a) {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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13 printf("a[%2d] = %d\n", i, v);
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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14 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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15 }