llvm-6502/test/CodeGen/Mips/2010-07-20-Switch.ll
Bruno Cardoso Lopes 46773793cb Fix PR7174, a couple o Mips fixes:
- Fix a typo for PIC check during jmp table lowering
- Also fix the "first jump table basic block is not
considered only reachable by fall through" problem, use this
ad-hoc solution until I come up with something better.

Patch by stetorvs@gmail.com



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20 08:37:04 +00:00

34 lines
922 B
LLVM

; RUN: llc < %s -march=mips -relocation-model=static | FileCheck %s
define i32 @main() nounwind readnone {
entry:
%x = alloca i32, align 4 ; <i32*> [#uses=2]
volatile store i32 2, i32* %x, align 4
%0 = volatile load i32* %x, align 4 ; <i32> [#uses=1]
; CHECK: lui $3, %hi($JTI0_0)
; CHECK: sll $2, $2, 2
; CHECK: addiu $3, $3, %lo($JTI0_0)
switch i32 %0, label %bb4 [
i32 0, label %bb5
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
]
bb1: ; preds = %entry
ret i32 2
; CHECK: $BB0_2
bb2: ; preds = %entry
ret i32 0
bb3: ; preds = %entry
ret i32 3
bb4: ; preds = %entry
ret i32 4
bb5: ; preds = %entry
ret i32 1
}