[LLVMbugs] [Bug 21588] New: [mips] Assertion when returning structs of arrays of 64-bit types for N32 (possibly N64 too)

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21588

            Bug ID: 21588
           Summary: [mips] Assertion when returning structs of arrays of
                    64-bit types for N32 (possibly N64 too)
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: daniel.sanders at imgtec.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The following tests generated by ABITestGen.py trigger assertions for the N32
ABI:
struct T1 { unsigned long long T2[3] field0 } fn20557(void)
union T1 { unsigned long long T2[3] field0 } fn20576(void)
struct T1 { unsigned long long T2[4] field0 } fn21469(void)
union T1 { unsigned long long T2[4] field0 } fn21488(void)
struct T1 { signed long long T2[3] field0 } fn38797(void)
union T1 { signed long long T2[3] field0 } fn38816(void)
struct T1 { signed long long T2[4] field0 } fn39709(void)
union T1 { signed long long T2[4] field0 } fn39728(void)
struct T1 { double T2[3] field0 } fn49741(void)
union T1 { double T2[3] field0 } fn49760(void)
struct T1 { double T2[4] field0 } fn50653(void)
union T1 { double T2[4] field0 } fn50672(void)
struct T1 { long double T2[2] field0 } fn52477(void)
union T1 { long double T2[2] field0 } fn52477(void)
struct T1 { long double T2[3] field0 } fn53389(void)
union T1 { long double T2[3] field0 } fn53408(void)
struct T1 { long double T2[4] field0 } fn54301(void)
union T1 { long double T2[4] field0 } fn54320(void)

They're the only failures in the first 100,000 tests.
It's likely that N64 does the same thing but this hasn't been confirmed yet.

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