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llvm-mirror/test/Transforms/Inline/2009-01-08-NoInlineDynamicAlloca.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

37 lines
1.0 KiB
LLVM

; RUN: opt < %s -inline -S | grep call
; Do not inline calls to variable-sized alloca.
@q = common global i8* null ; <i8**> [#uses=1]
define i8* @a(i32 %i) nounwind {
entry:
%i_addr = alloca i32 ; <i32*> [#uses=2]
%retval = alloca i8* ; <i8**> [#uses=1]
%p = alloca i8* ; <i8**> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %i, i32* %i_addr
%0 = load i32* %i_addr, align 4 ; <i32> [#uses=1]
%1 = alloca i8, i32 %0 ; <i8*> [#uses=1]
store i8* %1, i8** %p, align 4
%2 = load i8** %p, align 4 ; <i8*> [#uses=1]
store i8* %2, i8** @q, align 4
br label %return
return: ; preds = %entry
%retval1 = load i8** %retval ; <i8*> [#uses=1]
ret i8* %retval1
}
define void @b(i32 %i) nounwind {
entry:
%i_addr = alloca i32 ; <i32*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %i, i32* %i_addr
%0 = load i32* %i_addr, align 4 ; <i32> [#uses=1]
%1 = call i8* @a(i32 %0) nounwind ; <i8*> [#uses=0]
br label %return
return: ; preds = %entry
ret void
}