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Make jumptables work for -static

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175044 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reed Kotler 2013-02-13 08:32:14 +00:00
parent d29804f80d
commit 8080696103
2 changed files with 73 additions and 0 deletions
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2
lib/Target/Mips/Mips16InstrInfo.td
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@ -1607,6 +1607,8 @@ def: Mips16Pat<(add CPU16Regs:$hi, (MipsLo tglobaladdr:$lo)),
def : Mips16Pat<(MipsHi tglobaladdr:$in), def : Mips16Pat<(MipsHi tglobaladdr:$in),
(SllX16 (LiRxImmX16 tglobaladdr:$in), 16)>; (SllX16 (LiRxImmX16 tglobaladdr:$in), 16)>;
def : Mips16Pat<(MipsHi tjumptable:$in),
(SllX16 (LiRxImmX16 tjumptable:$in), 16)>;
def : Mips16Pat<(MipsHi tglobaltlsaddr:$in), def : Mips16Pat<(MipsHi tglobaltlsaddr:$in),
(SllX16 (LiRxImmX16 tglobaltlsaddr:$in), 16)>; (SllX16 (LiRxImmX16 tglobaltlsaddr:$in), 16)>;

71
test/CodeGen/Mips/jtstat.ll Normal file
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@ -0,0 +1,71 @@
; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=static < %s | FileCheck %s -check-prefix=CHECK-STATIC16
@s = global i8 115, align 1
@c = common global i8 0, align 1
@.str = private unnamed_addr constant [5 x i8] c"%c \0A\00", align 1
define void @test(i32 %i) nounwind {
entry:
%i.addr = alloca i32, align 4
store i32 %i, i32* %i.addr, align 4
%0 = load i32* %i.addr, align 4
switch i32 %0, label %sw.epilog [
i32 115, label %sw.bb
i32 105, label %sw.bb1
i32 100, label %sw.bb2
i32 108, label %sw.bb3
i32 99, label %sw.bb4
i32 68, label %sw.bb5
i32 81, label %sw.bb6
i32 76, label %sw.bb7
]
sw.bb: ; preds = %entry
store i8 115, i8* @c, align 1
br label %sw.epilog
sw.bb1: ; preds = %entry
store i8 105, i8* @c, align 1
br label %sw.epilog
sw.bb2: ; preds = %entry
store i8 100, i8* @c, align 1
br label %sw.epilog
sw.bb3: ; preds = %entry
store i8 108, i8* @c, align 1
br label %sw.epilog
sw.bb4: ; preds = %entry
store i8 99, i8* @c, align 1
br label %sw.epilog
sw.bb5: ; preds = %entry
store i8 68, i8* @c, align 1
br label %sw.epilog
sw.bb6: ; preds = %entry
store i8 81, i8* @c, align 1
br label %sw.epilog
sw.bb7: ; preds = %entry
store i8 76, i8* @c, align 1
br label %sw.epilog
sw.epilog: ; preds = %entry, %sw.bb7, %sw.bb6, %sw.bb5, %sw.bb4, %sw.bb3, %sw.bb2, %sw.bb1, %sw.bb
ret void
}
; CHECK-STATIC16 li ${{[0-9]+}}, %hi($JTI{{[0-9]+}}_{{[0-9]+}})
; CHECK-STATIC16 lw ${{[0-9]+}}, %lo($JTI{{[0-9]+}}_{{[0-9]+}})({{[0-9]+}})
; CHECK-STATIC16: $JTI{{[0-9]+}}_{{[0-9]+}}:
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})
; CHECK-STATIC16: .4byte ($BB0_{{[0-9]+}})