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 7define i32* @foo() { 8 ret i32* @x 9} 10 11; CHECK: .globl bar 12; CHECK-NEXT: .p2align 1 13define 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 27define 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 54declare i32 @fn2(...) 55