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| ; RUN: opt -inline %s -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7m-arm-none-eabi"
; Check we don't inline loops at -Oz. They tend to be larger than we
; expect.
; CHECK: define i8* @H
@digits = constant [16 x i8] c"0123456789ABCDEF", align 1
define i8* @H(i8* %p, i32 %val, i32 %num) #0 {
entry:
br label %do.body
do.body: ; preds = %do.body, %entry
%p.addr.0 = phi i8* [ %p, %entry ], [ %incdec.ptr, %do.body ]
%val.addr.0 = phi i32 [ %val, %entry ], [ %shl, %do.body ]
%num.addr.0 = phi i32 [ %num, %entry ], [ %dec, %do.body ]
%shr = lshr i32 %val.addr.0, 28
%arrayidx = getelementptr inbounds [16 x i8], [16 x i8]* @digits, i32 0, i32 %shr
%0 = load i8, i8* %arrayidx, align 1
%incdec.ptr = getelementptr inbounds i8, i8* %p.addr.0, i32 1
store i8 %0, i8* %p.addr.0, align 1
%shl = shl i32 %val.addr.0, 4
%dec = add i32 %num.addr.0, -1
%tobool = icmp eq i32 %dec, 0
br i1 %tobool, label %do.end, label %do.body
do.end: ; preds = %do.body
%scevgep = getelementptr i8, i8* %p, i32 %num
ret i8* %scevgep
}
define nonnull i8* @call1(i8* %p, i32 %val, i32 %num) #0 {
entry:
; CHECK: tail call i8* @H
%call = tail call i8* @H(i8* %p, i32 %val, i32 %num) #0
ret i8* %call
}
define nonnull i8* @call2(i8* %p, i32 %val) #0 {
entry:
; CHECK: tail call i8* @H
%call = tail call i8* @H(i8* %p, i32 %val, i32 32) #0
ret i8* %call
}
attributes #0 = { minsize optsize }
|