mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 03:53:04 +02:00
e603d6aa71
Assertion failed: (VNI && "No value to read by operand") rdar://12790267. llvm-svn: 169071
80 lines
2.3 KiB
LLVM
80 lines
2.3 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mcpu=core2 -x86-early-ifcvt -enable-misched \
|
|
; RUN: -misched=shuffle -misched-bottomup -verify-machineinstrs \
|
|
; RUN: | FileCheck %s
|
|
; REQUIRES: asserts
|
|
;
|
|
; Interesting MachineScheduler cases.
|
|
;
|
|
; FIXME: There should be an assert in the coalescer that we're not rematting
|
|
; "not-quite-dead" copies, but that breaks a lot of tests <rdar://problem/11148682>.
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
|
|
|
|
; From oggenc.
|
|
; After coalescing, we have a dead superreg (RAX) definition.
|
|
;
|
|
; CHECK: xorl %esi, %esi
|
|
; CHECK: movl $32, %ecx
|
|
; CHECK: rep;movsl
|
|
define fastcc void @_preextrapolate_helper() nounwind uwtable ssp {
|
|
entry:
|
|
br i1 undef, label %for.cond.preheader, label %if.end
|
|
|
|
for.cond.preheader: ; preds = %entry
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* undef, i8* null, i64 128, i32 4, i1 false) nounwind
|
|
unreachable
|
|
|
|
if.end: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
; The machine verifier checks that EFLAGS kill flags are updated when
|
|
; the scheduler reorders cmovel instructions.
|
|
;
|
|
; CHECK: test
|
|
; CHECK: cmovel
|
|
; CHECK: cmovel
|
|
; CHECK: call
|
|
define void @foo(i32 %b) nounwind uwtable ssp {
|
|
entry:
|
|
%tobool = icmp ne i32 %b, 0
|
|
br i1 %tobool, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
%v1 = phi i32 [1, %entry], [2, %if.then]
|
|
%v2 = phi i32 [3, %entry], [4, %if.then]
|
|
call void @bar(i32 %v1, i32 %v2)
|
|
ret void
|
|
}
|
|
|
|
declare void @bar(i32,i32)
|
|
|
|
; Test that the DAG builder can handle an undef vreg on ExitSU.
|
|
; CHECK: hasundef
|
|
; CHECK: call
|
|
|
|
%t0 = type { i32, i32, i8 }
|
|
%t6 = type { i32 (...)**, %t7* }
|
|
%t7 = type { i32 (...)** }
|
|
|
|
define void @hasundef() unnamed_addr uwtable ssp align 2 {
|
|
%1 = alloca %t0, align 8
|
|
br i1 undef, label %3, label %2
|
|
|
|
; <label>:2 ; preds = %0
|
|
unreachable
|
|
|
|
; <label>:3 ; preds = %0
|
|
br i1 undef, label %4, label %5
|
|
|
|
; <label>:4 ; preds = %3
|
|
call void undef(%t6* undef, %t0* %1)
|
|
unreachable
|
|
|
|
; <label>:5 ; preds = %3
|
|
ret void
|
|
}
|