1; RUN: opt -passes=inline %s -S | FileCheck %s 2 3target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 4target triple = "thumbv7m-arm-none-eabi" 5 6; Check we don't inline loops at -Oz. They tend to be larger than we 7; expect. 8 9; CHECK: define ptr @H 10@digits = constant [16 x i8] c"0123456789ABCDEF", align 1 11define ptr @H(ptr %p, i32 %val, i32 %num) #0 { 12entry: 13 br label %do.body 14 15do.body: ; preds = %do.body, %entry 16 %p.addr.0 = phi ptr [ %p, %entry ], [ %incdec.ptr, %do.body ] 17 %val.addr.0 = phi i32 [ %val, %entry ], [ %shl, %do.body ] 18 %num.addr.0 = phi i32 [ %num, %entry ], [ %dec, %do.body ] 19 %shr = lshr i32 %val.addr.0, 28 20 %arrayidx = getelementptr inbounds [16 x i8], ptr @digits, i32 0, i32 %shr 21 %0 = load i8, ptr %arrayidx, align 1 22 %incdec.ptr = getelementptr inbounds i8, ptr %p.addr.0, i32 1 23 store i8 %0, ptr %p.addr.0, align 1 24 %shl = shl i32 %val.addr.0, 4 25 %dec = add i32 %num.addr.0, -1 26 %tobool = icmp eq i32 %dec, 0 27 br i1 %tobool, label %do.end, label %do.body 28 29do.end: ; preds = %do.body 30 %scevgep = getelementptr i8, ptr %p, i32 %num 31 ret ptr %scevgep 32} 33 34define nonnull ptr @call1(ptr %p, i32 %val, i32 %num) #0 { 35entry: 36; CHECK: tail call ptr @H 37 %call = tail call ptr @H(ptr %p, i32 %val, i32 %num) #0 38 ret ptr %call 39} 40 41define nonnull ptr @call2(ptr %p, i32 %val) #0 { 42entry: 43; CHECK: tail call ptr @H 44 %call = tail call ptr @H(ptr %p, i32 %val, i32 32) #0 45 ret ptr %call 46} 47 48attributes #0 = { minsize optsize } 49 50