59 lines
1.8 KiB
LLVM
59 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
target triple = "armv7a--none-eabi"
|
|
|
|
; One of the phi node's values is too complex to be represented by a global
|
|
; variable, so we can't convert to a lookup table.
|
|
|
|
; CHECK-NOT: @switch.table
|
|
; CHECK-NOT: load
|
|
|
|
@g1 = external global i32, align 4
|
|
@g2 = external global i32, align 4
|
|
@g3 = external global i32, align 4
|
|
@g4 = external thread_local global i32, align 4
|
|
|
|
define i32* @test3(i32 %n) {
|
|
; CHECK-LABEL: @test3(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: switch i32 [[N:%.*]], label [[SW_DEFAULT:%.*]] [
|
|
; CHECK-NEXT: i32 0, label [[RETURN:%.*]]
|
|
; CHECK-NEXT: i32 1, label [[SW_BB1:%.*]]
|
|
; CHECK-NEXT: i32 2, label [[SW_BB2:%.*]]
|
|
; CHECK-NEXT: ]
|
|
; CHECK: sw.bb1:
|
|
; CHECK-NEXT: br label [[RETURN]]
|
|
; CHECK: sw.bb2:
|
|
; CHECK-NEXT: br label [[RETURN]]
|
|
; CHECK: sw.default:
|
|
; CHECK-NEXT: br label [[RETURN]]
|
|
; CHECK: return:
|
|
; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i32* [ @g4, [[SW_DEFAULT]] ], [ getelementptr inbounds (i32, i32* inttoptr (i32 mul (i32 ptrtoint (i32* @g3 to i32), i32 2) to i32*), i32 1), [[SW_BB2]] ], [ @g2, [[SW_BB1]] ], [ @g1, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: ret i32* [[RETVAL_0]]
|
|
;
|
|
entry:
|
|
switch i32 %n, label %sw.default [
|
|
i32 0, label %sw.bb
|
|
i32 1, label %sw.bb1
|
|
i32 2, label %sw.bb2
|
|
]
|
|
|
|
sw.bb:
|
|
br label %return
|
|
|
|
sw.bb1:
|
|
br label %return
|
|
|
|
sw.bb2:
|
|
br label %return
|
|
|
|
sw.default:
|
|
br label %return
|
|
|
|
return:
|
|
%retval.0 = phi i32* [ @g4, %sw.default ], [ getelementptr inbounds (i32, i32* inttoptr (i32 mul (i32 ptrtoint (i32* @g3 to i32), i32 2) to i32*), i32 1), %sw.bb2 ], [ @g2, %sw.bb1 ], [ @g1, %sw.bb ]
|
|
ret i32* %retval.0
|
|
}
|