llvm-6502/test/ExecutionEngine/MCJIT/remote/test-common-symbols-remote.ll
Tim Northover 820b147493 Invalidate instruction cache when setting memory to be executable.
lli's remote MCJIT code calls setExecutable just prior to running
code. In line with Darwin behaviour this seems to be the place to
invalidate any caches needed so that relocations can take effect
properly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182213 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-19 15:28:16 +00:00

90 lines
2.9 KiB
LLVM

; RUN: %lli_mcjit -remote-mcjit -O0 -disable-lazy-compilation=false %s
; XFAIL: mips
; The intention of this test is to verify that symbols mapped to COMMON in ELF
; work as expected.
;
; Compiled from this C code:
;
; int zero_int;
; double zero_double;
; int zero_arr[10];
;
; int main()
; {
; zero_arr[zero_int + 5] = 40;
;
; if (zero_double < 1.0)
; zero_arr[zero_int + 2] = 70;
;
; for (int i = 1; i < 10; ++i) {
; zero_arr[i] = zero_arr[i - 1] + zero_arr[i];
; }
; return zero_arr[9] == 110 ? 0 : -1;
; }
@zero_int = common global i32 0, align 4
@zero_arr = common global [10 x i32] zeroinitializer, align 16
@zero_double = common global double 0.000000e+00, align 8
define i32 @main() nounwind {
entry:
%retval = alloca i32, align 4
%i = alloca i32, align 4
store i32 0, i32* %retval
%0 = load i32* @zero_int, align 4
%add = add nsw i32 %0, 5
%idxprom = sext i32 %add to i64
%arrayidx = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom
store i32 40, i32* %arrayidx, align 4
%1 = load double* @zero_double, align 8
%cmp = fcmp olt double %1, 1.000000e+00
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%2 = load i32* @zero_int, align 4
%add1 = add nsw i32 %2, 2
%idxprom2 = sext i32 %add1 to i64
%arrayidx3 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom2
store i32 70, i32* %arrayidx3, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
store i32 1, i32* %i, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %if.end
%3 = load i32* %i, align 4
%cmp4 = icmp slt i32 %3, 10
br i1 %cmp4, label %for.body, label %for.end
for.body: ; preds = %for.cond
%4 = load i32* %i, align 4
%sub = sub nsw i32 %4, 1
%idxprom5 = sext i32 %sub to i64
%arrayidx6 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom5
%5 = load i32* %arrayidx6, align 4
%6 = load i32* %i, align 4
%idxprom7 = sext i32 %6 to i64
%arrayidx8 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom7
%7 = load i32* %arrayidx8, align 4
%add9 = add nsw i32 %5, %7
%8 = load i32* %i, align 4
%idxprom10 = sext i32 %8 to i64
%arrayidx11 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom10
store i32 %add9, i32* %arrayidx11, align 4
br label %for.inc
for.inc: ; preds = %for.body
%9 = load i32* %i, align 4
%inc = add nsw i32 %9, 1
store i32 %inc, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
%10 = load i32* getelementptr inbounds ([10 x i32]* @zero_arr, i32 0, i64 9), align 4
%cmp12 = icmp eq i32 %10, 110
%cond = select i1 %cmp12, i32 0, i32 -1
ret i32 %cond
}