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5f190b5e4e
In r143502, we renamed getHostTriple() to getDefaultTargetTriple() as part of work to allow the user to supply a different default target triple at configure time. This change also affected the JIT. However, it is inappropriate to use the default target triple in the JIT in most circumstances because this will not necessarily match the current architecture used by the process, leading to illegal instruction and other such errors at run time. Introduce the getProcessTriple() function for use in the JIT and its clients, and cause the JIT to use it. On architectures with a single bitness, the host and process triples are identical. On other architectures, the host triple represents the architecture of the host CPU, while the process triple represents the architecture used by the host CPU to interpret machine code within the current process. For example, when executing 32-bit code on a 64-bit Linux machine, the host triple may be 'x86_64-unknown-linux-gnu', while the process triple may be 'i386-unknown-linux-gnu'. This fixes JIT for the 32-on-64-bit (and vice versa) build on non-Apple platforms. Differential Revision: http://llvm-reviews.chandlerc.com/D254 llvm-svn: 172627
90 lines
2.9 KiB
LLVM
90 lines
2.9 KiB
LLVM
; RUN: %lli_mcjit -remote-mcjit -O0 -disable-lazy-compilation=false %s
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; XFAIL: arm, mips
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; The intention of this test is to verify that symbols mapped to COMMON in ELF
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; work as expected.
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;
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; Compiled from this C code:
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;
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; int zero_int;
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; double zero_double;
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; int zero_arr[10];
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;
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; int main()
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; {
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; zero_arr[zero_int + 5] = 40;
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;
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; if (zero_double < 1.0)
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; zero_arr[zero_int + 2] = 70;
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;
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; for (int i = 1; i < 10; ++i) {
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; zero_arr[i] = zero_arr[i - 1] + zero_arr[i];
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; }
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; return zero_arr[9] == 110 ? 0 : -1;
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; }
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@zero_int = common global i32 0, align 4
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@zero_arr = common global [10 x i32] zeroinitializer, align 16
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@zero_double = common global double 0.000000e+00, align 8
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define i32 @main() nounwind {
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entry:
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%retval = alloca i32, align 4
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%i = alloca i32, align 4
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store i32 0, i32* %retval
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%0 = load i32* @zero_int, align 4
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%add = add nsw i32 %0, 5
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%idxprom = sext i32 %add to i64
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%arrayidx = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom
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store i32 40, i32* %arrayidx, align 4
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%1 = load double* @zero_double, align 8
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%cmp = fcmp olt double %1, 1.000000e+00
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%2 = load i32* @zero_int, align 4
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%add1 = add nsw i32 %2, 2
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%idxprom2 = sext i32 %add1 to i64
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%arrayidx3 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom2
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store i32 70, i32* %arrayidx3, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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store i32 1, i32* %i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %if.end
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%3 = load i32* %i, align 4
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%cmp4 = icmp slt i32 %3, 10
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br i1 %cmp4, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%4 = load i32* %i, align 4
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%sub = sub nsw i32 %4, 1
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%idxprom5 = sext i32 %sub to i64
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%arrayidx6 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom5
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%5 = load i32* %arrayidx6, align 4
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%6 = load i32* %i, align 4
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%idxprom7 = sext i32 %6 to i64
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%arrayidx8 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom7
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%7 = load i32* %arrayidx8, align 4
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%add9 = add nsw i32 %5, %7
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%8 = load i32* %i, align 4
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%idxprom10 = sext i32 %8 to i64
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%arrayidx11 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom10
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store i32 %add9, i32* %arrayidx11, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%9 = load i32* %i, align 4
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%inc = add nsw i32 %9, 1
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store i32 %inc, i32* %i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond
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%10 = load i32* getelementptr inbounds ([10 x i32]* @zero_arr, i32 0, i64 9), align 4
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%cmp12 = icmp eq i32 %10, 110
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%cond = select i1 %cmp12, i32 0, i32 -1
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ret i32 %cond
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}
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