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Copy path2009-12-01-LoopIVUsers.ll
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2009-12-01-LoopIVUsers.ll
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; RUN: opt < %s -O3 | \
; RUN: llc -mtriple=thumbv7-apple-darwin10 -mattr=+neon | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
define void @fred(i32 %three_by_three, i8* %in, double %dt1, i32 %x_size, i32 %y_size, i8* %bp) nounwind {
entry:
; -- The loop following the load should only use a single add-literation
; instruction.
; CHECK: vldr
; CHECK-NOT: adds
; CHECK: subsections_via_symbols
%three_by_three_addr = alloca i32 ; <i32*> [#uses=2]
%in_addr = alloca i8* ; <i8**> [#uses=2]
%dt_addr = alloca float ; <float*> [#uses=4]
%x_size_addr = alloca i32 ; <i32*> [#uses=2]
%y_size_addr = alloca i32 ; <i32*> [#uses=1]
%bp_addr = alloca i8* ; <i8**> [#uses=1]
%tmp_image = alloca i8* ; <i8**> [#uses=0]
%out = alloca i8* ; <i8**> [#uses=1]
%cp = alloca i8* ; <i8**> [#uses=0]
%dpt = alloca i8* ; <i8**> [#uses=4]
%dp = alloca i8* ; <i8**> [#uses=2]
%ip = alloca i8* ; <i8**> [#uses=0]
%centre = alloca i32 ; <i32*> [#uses=0]
%tmp = alloca i32 ; <i32*> [#uses=0]
%brightness = alloca i32 ; <i32*> [#uses=0]
%area = alloca i32 ; <i32*> [#uses=0]
%y = alloca i32 ; <i32*> [#uses=0]
%x = alloca i32 ; <i32*> [#uses=2]
%j = alloca i32 ; <i32*> [#uses=6]
%i = alloca i32 ; <i32*> [#uses=1]
%mask_size = alloca i32 ; <i32*> [#uses=5]
%increment = alloca i32 ; <i32*> [#uses=1]
%n_max = alloca i32 ; <i32*> [#uses=4]
%temp = alloca float ; <float*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %three_by_three, i32* %three_by_three_addr
store i8* %in, i8** %in_addr
%dt = fptrunc double %dt1 to float ; <float> [#uses=1]
store float %dt, float* %dt_addr
store i32 %x_size, i32* %x_size_addr
store i32 %y_size, i32* %y_size_addr
store i8* %bp, i8** %bp_addr
%0 = load i8*, i8** %in_addr, align 4 ; <i8*> [#uses=1]
store i8* %0, i8** %out, align 4
%1 = call i32 (...) @foo() nounwind ; <i32> [#uses=1]
store i32 %1, i32* %i, align 4
%2 = load i32, i32* %three_by_three_addr, align 4 ; <i32> [#uses=1]
%3 = icmp eq i32 %2, 0 ; <i1> [#uses=1]
br i1 %3, label %bb, label %bb2
bb: ; preds = %entry
%4 = load float, float* %dt_addr, align 4 ; <float> [#uses=1]
%5 = fpext float %4 to double ; <double> [#uses=1]
%6 = fmul double %5, 1.500000e+00 ; <double> [#uses=1]
%7 = fptosi double %6 to i32 ; <i32> [#uses=1]
%8 = add nsw i32 %7, 1 ; <i32> [#uses=1]
store i32 %8, i32* %mask_size, align 4
br label %bb3
bb2: ; preds = %entry
store i32 1, i32* %mask_size, align 4
br label %bb3
bb3: ; preds = %bb2, %bb
%9 = load i32, i32* %mask_size, align 4 ; <i32> [#uses=1]
%10 = mul i32 %9, 2 ; <i32> [#uses=1]
%11 = add nsw i32 %10, 1 ; <i32> [#uses=1]
store i32 %11, i32* %n_max, align 4
%12 = load i32, i32* %x_size_addr, align 4 ; <i32> [#uses=1]
%13 = load i32, i32* %n_max, align 4 ; <i32> [#uses=1]
%14 = sub i32 %12, %13 ; <i32> [#uses=1]
store i32 %14, i32* %increment, align 4
%15 = load i32, i32* %n_max, align 4 ; <i32> [#uses=1]
%16 = load i32, i32* %n_max, align 4 ; <i32> [#uses=1]
%17 = mul i32 %15, %16 ; <i32> [#uses=1]
%18 = call noalias i8* @malloc(i32 %17) nounwind ; <i8*> [#uses=1]
store i8* %18, i8** %dp, align 4
%19 = load i8*, i8** %dp, align 4 ; <i8*> [#uses=1]
store i8* %19, i8** %dpt, align 4
%20 = load float, float* %dt_addr, align 4 ; <float> [#uses=1]
%21 = load float, float* %dt_addr, align 4 ; <float> [#uses=1]
%22 = fmul float %20, %21 ; <float> [#uses=1]
%23 = fsub float -0.000000e+00, %22 ; <float> [#uses=1]
store float %23, float* %temp, align 4
%24 = load i32, i32* %mask_size, align 4 ; <i32> [#uses=1]
%25 = sub i32 0, %24 ; <i32> [#uses=1]
store i32 %25, i32* %j, align 4
br label %bb5
bb4: ; preds = %bb5
%26 = load i32, i32* %j, align 4 ; <i32> [#uses=1]
%27 = load i32, i32* %j, align 4 ; <i32> [#uses=1]
%28 = mul i32 %26, %27 ; <i32> [#uses=1]
%29 = sitofp i32 %28 to double ; <double> [#uses=1]
%30 = fmul double %29, 1.234000e+00 ; <double> [#uses=1]
%31 = fptosi double %30 to i32 ; <i32> [#uses=1]
store i32 %31, i32* %x, align 4
%32 = load i32, i32* %x, align 4 ; <i32> [#uses=1]
%33 = trunc i32 %32 to i8 ; <i8> [#uses=1]
%34 = load i8*, i8** %dpt, align 4 ; <i8*> [#uses=1]
store i8 %33, i8* %34, align 1
%35 = load i8*, i8** %dpt, align 4 ; <i8*> [#uses=1]
%36 = getelementptr inbounds i8, i8* %35, i64 1 ; <i8*> [#uses=1]
store i8* %36, i8** %dpt, align 4
%37 = load i32, i32* %j, align 4 ; <i32> [#uses=1]
%38 = add nsw i32 %37, 1 ; <i32> [#uses=1]
store i32 %38, i32* %j, align 4
br label %bb5
bb5: ; preds = %bb4, %bb3
%39 = load i32, i32* %j, align 4 ; <i32> [#uses=1]
%40 = load i32, i32* %mask_size, align 4 ; <i32> [#uses=1]
%41 = icmp sle i32 %39, %40 ; <i1> [#uses=1]
br i1 %41, label %bb4, label %bb6
bb6: ; preds = %bb5
br label %return
return: ; preds = %bb6
ret void
}
declare i32 @foo(...)
declare noalias i8* @malloc(i32) nounwind