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llvm-mirror/test/CodeGen/SPARC/fail-alloca-align.ll
Yuanfang Chen dd53274771 Revert "Revert "Reland "[Support] make report_fatal_error abort instead of exit"""
This reverts commit 80a34ae31125aa46dcad47162ba45b152aed968d with fixes.

Previously, since bots turning on EXPENSIVE_CHECKS are essentially turning on
MachineVerifierPass by default on X86 and the fact that
inline-asm-avx-v-constraint-32bit.ll and inline-asm-avx512vl-v-constraint-32bit.ll
are not expected to generate functioning machine code, this would go
down to `report_fatal_error` in MachineVerifierPass. Here passing
`-verify-machineinstrs=0` to make the intent explicit.
2020-02-13 10:16:06 -08:00

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791 B
LLVM

;; Sparc backend can't currently handle variable allocas with
;; alignment greater than the stack alignment. This code ought to
;; compile, but doesn't currently.
;; RUN: not --crash llc -march=sparc < %s 2>&1 | FileCheck %s
;; RUN: not --crash llc -march=sparcv9 < %s 2>&1 | FileCheck %s
;; CHECK: ERROR: Function {{.*}} required stack re-alignment
define void @variable_alloca_with_overalignment(i32 %num) {
%aligned = alloca i32, align 64
%var_size = alloca i8, i32 %num, align 4
call void @foo(i32* %aligned, i8* %var_size)
ret void
}
;; Same but with the alloca itself overaligned
define void @variable_alloca_with_overalignment_2(i32 %num) {
%var_size = alloca i8, i32 %num, align 64
call void @foo(i32* null, i8* %var_size)
ret void
}
declare void @foo(i32*, i8*);