llvm-6502/test/CodeGen/Mips/2010-07-20-Switch.ll
Akira Hatanaka b7656a9cc4 [mips] Custom-legalize BR_JT.
In N64-static, GOT address is needed to compute the branch address.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176580 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06 21:32:03 +00:00

73 lines
2.2 KiB
LLVM

; RUN: llc < %s -march=mips -relocation-model=static | \
; RUN: FileCheck %s -check-prefix=STATIC-O32
; RUN: llc < %s -march=mips -relocation-model=pic | \
; RUN: FileCheck %s -check-prefix=PIC-O32
; RUN: llc < %s -march=mips64 -relocation-model=pic -mcpu=mips64 | \
; RUN: FileCheck %s -check-prefix=N64
; RUN: llc < %s -march=mips64 -relocation-model=static -mcpu=mips64 | \
; RUN: FileCheck %s -check-prefix=N64
define i32 @main() nounwind readnone {
entry:
%x = alloca i32, align 4 ; <i32*> [#uses=2]
store volatile i32 2, i32* %x, align 4
%0 = load volatile i32* %x, align 4 ; <i32> [#uses=1]
; STATIC-O32: sll $[[R0:[0-9]+]], ${{[0-9]+}}, 2
; STATIC-O32: lui $[[R1:[0-9]+]], %hi($JTI0_0)
; STATIC-O32: addu $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; STATIC-O32: lw $[[R3:[0-9]+]], %lo($JTI0_0)($[[R2]])
; PIC-O32: sll $[[R0:[0-9]+]], ${{[0-9]+}}, 2
; PIC-O32: lw $[[R1:[0-9]+]], %got($JTI0_0)
; PIC-O32: addu $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; PIC-O32: lw $[[R4:[0-9]+]], %lo($JTI0_0)($[[R2]])
; PIC-O32: addu $[[R5:[0-9]+]], $[[R4:[0-9]+]]
; PIC-O32: jr $[[R5]]
; N64: dsll $[[R0:[0-9]+]], ${{[0-9]+}}, 3
; N64: ld $[[R1:[0-9]+]], %got_page($JTI0_0)
; N64: daddu $[[R2:[0-9]+]], $[[R0:[0-9]+]], $[[R1]]
; N64: ld $[[R4:[0-9]+]], %got_ofst($JTI0_0)($[[R2]])
; N64: daddu $[[R5:[0-9]+]], $[[R4:[0-9]+]]
; N64: jr $[[R5]]
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
bb2: ; preds = %entry
ret i32 0
bb3: ; preds = %entry
ret i32 3
bb4: ; preds = %entry
ret i32 4
bb5: ; preds = %entry
ret i32 1
}
; STATIC-O32: .align 2
; STATIC-O32: $JTI0_0:
; STATIC-O32: .4byte
; STATIC-O32: .4byte
; STATIC-O32: .4byte
; STATIC-O32: .4byte
; PIC-O32: .align 2
; PIC-O32: $JTI0_0:
; PIC-O32: .gpword
; PIC-O32: .gpword
; PIC-O32: .gpword
; PIC-O32: .gpword
; N64: .align 3
; N64: $JTI0_0:
; N64: .gpdword
; N64: .gpdword
; N64: .gpdword
; N64: .gpdword