; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -switch-to-lookup -mtriple=arm -relocation-model=static < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ENABLE
; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -switch-to-lookup -mtriple=arm -relocation-model=pic < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ENABLE
; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -switch-to-lookup -mtriple=arm -relocation-model=ropi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -switch-to-lookup -mtriple=arm -relocation-model=rwpi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -switch-to-lookup -mtriple=arm -relocation-model=ropi-rwpi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; RUN: opt -S -passes='simplifycfg<switch-to-lookup>' -mtriple=arm -relocation-model=static < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ENABLE
; RUN: opt -S -passes='simplifycfg<switch-to-lookup>' -mtriple=arm -relocation-model=pic < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ENABLE
; RUN: opt -S -passes='simplifycfg<switch-to-lookup>' -mtriple=arm -relocation-model=ropi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; RUN: opt -S -passes='simplifycfg<switch-to-lookup>' -mtriple=arm -relocation-model=rwpi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; RUN: opt -S -passes='simplifycfg<switch-to-lookup>' -mtriple=arm -relocation-model=ropi-rwpi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; CHECK: @{{.*}} = private unnamed_addr constant [3 x i32] [i32 1234, i32 5678, i32 15532]
; ENABLE: @{{.*}} = private unnamed_addr constant [3 x ptr] [ptr @c1, ptr @c2, ptr @c3]
; DISABLE-NOT: @{{.*}} = private unnamed_addr constant [3 x ptr] [ptr @c1, ptr @c2, ptr @c3]
; ENABLE: @{{.*}} = private unnamed_addr constant [3 x ptr] [ptr @g1, ptr @g2, ptr @g3]
; DISABLE-NOT: @{{.*}} = private unnamed_addr constant [3 x ptr] [ptr @g1, ptr @g2, ptr @g3]
; ENABLE: @{{.*}} = private unnamed_addr constant [3 x ptr] [ptr @f1, ptr @f2, ptr @f3]
; DISABLE-NOT: @{{.*}} = private unnamed_addr constant [3 x ptr] [ptr @f1, ptr @f2, ptr @f3]
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7a--none-eabi"
define i32 @test1(i32 %n) {
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 [ 15498, %sw.default ], [ 15532, %sw.bb2 ], [ 5678, %sw.bb1 ], [ 1234, %sw.bb ]
ret i32 %retval.0
}
@c1 = external constant i32, align 4
@c2 = external constant i32, align 4
@c3 = external constant i32, align 4
@c4 = external constant i32, align 4
define ptr @test2(i32 %n) {
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 ptr [ @c4, %sw.default ], [ @c3, %sw.bb2 ], [ @c2, %sw.bb1 ], [ @c1, %sw.bb ]
ret ptr %retval.0
}
@g1 = external global i32, align 4
@g2 = external global i32, align 4
@g3 = external global i32, align 4
@g4 = external global i32, align 4
define ptr @test3(i32 %n) {
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 ptr [ @g4, %sw.default ], [ @g3, %sw.bb2 ], [ @g2, %sw.bb1 ], [ @g1, %sw.bb ]
ret ptr %retval.0
}
declare i32 @f1(i32, i32)
declare i32 @f2(i32, i32)
declare i32 @f3(i32, i32)
declare i32 @f4(i32, i32)
declare i32 @f5(i32, i32)
define i32 @test4(i32 %a, i32 %b, i32 %c) {
entry:
%cmp = icmp eq i32 %a, 1
br i1 %cmp, label %cond.end11, label %cond.false
cond.false:
%cmp1 = icmp eq i32 %a, 2
br i1 %cmp1, label %cond.end11, label %cond.false3
cond.false3:
%cmp4 = icmp eq i32 %a, 3
br i1 %cmp4, label %cond.end11, label %cond.false6
cond.false6:
%cmp7 = icmp eq i32 %a, 4
%cond = select i1 %cmp7, ptr @f4, ptr @f5
br label %cond.end11
cond.end11:
%cond12 = phi ptr [ @f1, %entry ], [ @f2, %cond.false ], [ %cond, %cond.false6 ], [ @f3, %cond.false3 ]
%call = call i32 %cond12(i32 %b, i32 %c) #2
ret i32 %call
}
Codebase Browser
llvm