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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-LABEL: void @doCalls
define void @doCalls(i8* nocapture %p1, i8* nocapture %p2, i32 %n) #0 {
entry:
%div = lshr i32 %n, 1
; CHECK: call void @LoopCall
tail call void @LoopCall(i8* %p1, i8* %p2, i32 %div) #0
%div2 = lshr i32 %n, 2
; CHECK: call void @LoopCall
tail call void @LoopCall(i8* %p1, i8* %p2, i32 %div2) #0
; CHECK-NOT: call void @LoopCall
tail call void @LoopCall(i8* %p2, i8* %p1, i32 0) #0
; CHECK-NOT: call void @LoopCall_internal
tail call void @LoopCall_internal(i8* %p1, i8* %p2, i32 %div2) #0
%div3 = lshr i32 %n, 4
; CHECK-NOT: call void @SimpleCall
tail call void @SimpleCall(i8* %p2, i8* %p1, i32 %div3) #0
ret void
}
; CHECK-LABEL: define void @LoopCall
define void @LoopCall(i8* nocapture %dest, i8* nocapture readonly %source, i32 %num) #0 {
entry:
%c = icmp ne i32 %num, 0
br i1 %c, label %while.cond, label %while.end
while.cond: ; preds = %while.body, %entry
%num.addr.0 = phi i32 [ %num, %entry ], [ %dec, %while.body ]
%p_dest.0 = phi i8* [ %dest, %entry ], [ %incdec.ptr2, %while.body ]
%p_source.0 = phi i8* [ %source, %entry ], [ %incdec.ptr, %while.body ]
%cmp = icmp eq i32 %num.addr.0, 0
br i1 %cmp, label %while.end, label %while.body
while.body: ; preds = %while.cond
%incdec.ptr = getelementptr inbounds i8, i8* %p_source.0, i32 1
%0 = load i8, i8* %p_source.0, align 1
%1 = trunc i32 %num.addr.0 to i8
%conv1 = add i8 %0, %1
%incdec.ptr2 = getelementptr inbounds i8, i8* %p_dest.0, i32 1
store i8 %conv1, i8* %p_dest.0, align 1
%dec = add i32 %num.addr.0, -1
br label %while.cond
while.end: ; preds = %while.cond
ret void
}
; CHECK-LABEL-NOT: define void @LoopCall_internal
define internal void @LoopCall_internal(i8* nocapture %dest, i8* nocapture readonly %source, i32 %num) #0 {
entry:
%c = icmp ne i32 %num, 0
br i1 %c, label %while.cond, label %while.end
while.cond: ; preds = %while.body, %entry
%num.addr.0 = phi i32 [ %num, %entry ], [ %dec, %while.body ]
%p_dest.0 = phi i8* [ %dest, %entry ], [ %incdec.ptr2, %while.body ]
%p_source.0 = phi i8* [ %source, %entry ], [ %incdec.ptr, %while.body ]
%cmp = icmp eq i32 %num.addr.0, 0
br i1 %cmp, label %while.end, label %while.body
while.body: ; preds = %while.cond
%incdec.ptr = getelementptr inbounds i8, i8* %p_source.0, i32 1
%0 = load i8, i8* %p_source.0, align 1
%1 = trunc i32 %num.addr.0 to i8
%conv1 = add i8 %0, %1
%incdec.ptr2 = getelementptr inbounds i8, i8* %p_dest.0, i32 1
store i8 %conv1, i8* %p_dest.0, align 1
%dec = add i32 %num.addr.0, -1
br label %while.cond
while.end: ; preds = %while.cond
ret void
}
; CHECK-LABEL: define void @SimpleCall
define void @SimpleCall(i8* nocapture %dest, i8* nocapture readonly %source, i32 %num) #0 {
entry:
%arrayidx = getelementptr inbounds i8, i8* %source, i32 %num
%0 = load i8, i8* %arrayidx, align 1
%1 = xor i8 %0, 127
%arrayidx2 = getelementptr inbounds i8, i8* %dest, i32 %num
store i8 %1, i8* %arrayidx2, align 1
ret void
}
attributes #0 = { minsize optsize }
|