1 ; RUN: llc -relocation-model=pic -mtriple=thumbv7-unknown-linux -o - %s | FileCheck %s 2 3 @x = external global i32 4 5 ; CHECK: .globl foo 6 ; CHECK-NEXT: .p2align 2 7 define i32* @foo() { 8 ret i32* @x 9 } 10 11 ; CHECK: .globl bar 12 ; CHECK-NEXT: .p2align 1 13 define i32* @bar() { 14 ret i32* zeroinitializer 15 } 16 17 @a = external global i32 18 @b = external global i32 19 @c = external global i32 20 @d = external global i32 21 22 ; Create a Thumb-2 jump table, which should force alignment to 4 bytes. 23 24 ; CHECK: .globl baz 25 ; CHECK-NEXT: .p2align 2 26 ; CHECK: tbb 27 define i32 @baz() { 28 %1 = load i32, i32* @c, align 4 29 switch i32 %1, label %7 [ 30 i32 1, label %2 31 i32 4, label %5 32 i32 9, label %5 33 i32 3, label %8 34 ] 35 36 ; <label>:2 37 %3 = load i32, i32* @a, align 4 38 %4 = tail call i32 bitcast (i32 (...)* @fn2 to i32 (i32 (...)*, i32, i32)*)(i32 (...)* bitcast (i32 ()* @baz to i32 (...)*), i32 0, i32 %3) #2 39 br label %8 40 41 ; <label>:5 42 %6 = load i32, i32* @d, align 4 43 store i32 %6, i32* @b, align 4 44 br label %8 45 46 ; <label>:7 47 br label %8 48 49 ; <label>:8 50 %e.0 = phi i32 [ 1, %7 ], [ 1, %2 ], [ 0, %0 ], [ 0, %5 ] 51 ret i32 %e.0 52 } 53 54 declare i32 @fn2(...) 55