llvm-6502/test/Transforms/JumpThreading/2008-05-05-MRV-Crash.ll
Chris Lattner 8554cc2ea7 Fix a crash when threading a block that includes a MRV call result.
DemoteRegToStack doesn't work with MRVs yet, because it relies on the
ability to load/store things.

This fixes PR2285.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50667 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 20:21:22 +00:00

26 lines
963 B
LLVM

; RUN: llvm-as < %s | opt -jump-threading -disable-output
; PR2285
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
%struct.system__secondary_stack__mark_id = type { i64, i64 }
define void @_ada_c35507b() {
entry:
br label %bb
bb: ; preds = %bb13, %entry
%ch.0 = phi i8 [ 0, %entry ], [ 0, %bb13 ] ; <i8> [#uses=1]
%tmp11 = icmp ugt i8 %ch.0, 31 ; <i1> [#uses=1]
%tmp120 = call %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark( ) ; <%struct.system__secondary_stack__mark_id> [#uses=1]
br i1 %tmp11, label %bb110, label %bb13
bb13: ; preds = %bb
br label %bb
bb110: ; preds = %bb
%mrv_gr124 = getresult %struct.system__secondary_stack__mark_id %tmp120, 1 ; <i64> [#uses=0]
unreachable
}
declare %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark()