1 ; RUN: opt -S -Oz < %s | FileCheck %s -check-prefix=OZ 2 ; RUN: opt -S -O2 < %s | FileCheck %s -check-prefix=O2 3 ; RUN: opt -S -Os < %s | FileCheck %s -check-prefix=OS 4 5 ; The inline threshold for a function with the optsize attribute is currently 6 ; the same as the global inline threshold for -Os. Check that the optsize 7 ; function attribute doesn't alter the function-specific inline threshold if the 8 ; global inline threshold is lower (as for -Oz). 9 10 @a = global i32 4 11 12 ; This function should be larger than the inline threshold for -Oz (25), but 13 ; smaller than the inline threshold for optsize (75). 14 define i32 @inner() { 15 %a1 = load volatile i32, i32* @a 16 %x1 = add i32 %a1, %a1 17 %a2 = load volatile i32, i32* @a 18 %x2 = add i32 %x1, %a2 19 %a3 = load volatile i32, i32* @a 20 %x3 = add i32 %x2, %a3 21 %a4 = load volatile i32, i32* @a 22 %x4 = add i32 %x3, %a4 23 %a5 = load volatile i32, i32* @a 24 %x5 = add i32 %x3, %a5 25 ret i32 %x5 26 } 27 28 ; @inner() should be inlined for -O2 and -Os but not for -Oz. 29 ; OZ: call 30 ; O2-NOT: call 31 ; OS-NOT: call 32 define i32 @outer() optsize { 33 %r = call i32 @inner() 34 ret i32 %r 35 } 36 37 ; @inner() should not be inlined for -O2, -Os and -Oz. 38 ; OZ: call 39 ; O2: call 40 ; OS: call 41 define i32 @outer2() minsize { 42 %r = call i32 @inner() 43 ret i32 %r 44 } 45
