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https://github.com/c64scene-ar/llvm-6502.git
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e97f84e991
call memory indirect (32 and 64 bit). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178541 91177308-0d34-0410-b5e6-96231b3b80d8
92 lines
3.2 KiB
LLVM
92 lines
3.2 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-linux-gnu -mcpu=atom 2>&1 | \
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; RUN: grep "callq" | not grep "("
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -mcpu=core2 2>&1 | \
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; RUN: grep "callq" | grep "*funcp"
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;
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; Original source code built with clang -S -emit-llvm -m64 test64.c:
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; int a, b, c, d, e, f, g, h, i, j, k, l, m, n;
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; extern int (*funcp)(int, int, int, int, int, int,
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; int, int, int, int, int, int,
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; int, int);
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; extern int sum;
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;
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; void func()
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; {
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; sum = 0;
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; for( i = a; i < b; ++i )
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; {
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; sum += (*funcp)(a, i, i*2, i/b, c, d, e, f, g, h, j, k, l, n);
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; }
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; }
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;
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; ModuleID = 'test64.c'
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@sum = external global i32
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@a = common global i32 0, align 4
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@i = common global i32 0, align 4
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@b = common global i32 0, align 4
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@funcp = external global i32 (i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)*
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@c = common global i32 0, align 4
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@d = common global i32 0, align 4
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@e = common global i32 0, align 4
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@f = common global i32 0, align 4
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@g = common global i32 0, align 4
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@h = common global i32 0, align 4
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@j = common global i32 0, align 4
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@k = common global i32 0, align 4
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@l = common global i32 0, align 4
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@n = common global i32 0, align 4
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@m = common global i32 0, align 4
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define void @func() #0 {
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entry:
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store i32 0, i32* @sum, align 4
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%0 = load i32* @a, align 4
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store i32 %0, i32* @i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%1 = load i32* @i, align 4
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%2 = load i32* @b, align 4
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%cmp = icmp slt i32 %1, %2
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%3 = load i32 (i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)** @funcp, align 8
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%4 = load i32* @a, align 4
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%5 = load i32* @i, align 4
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%6 = load i32* @i, align 4
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%mul = mul nsw i32 %6, 2
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%7 = load i32* @i, align 4
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%8 = load i32* @b, align 4
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%div = sdiv i32 %7, %8
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%9 = load i32* @c, align 4
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%10 = load i32* @d, align 4
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%11 = load i32* @e, align 4
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%12 = load i32* @f, align 4
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%13 = load i32* @g, align 4
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%14 = load i32* @h, align 4
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%15 = load i32* @j, align 4
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%16 = load i32* @k, align 4
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%17 = load i32* @l, align 4
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%18 = load i32* @n, align 4
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%call = call i32 %3(i32 %4, i32 %5, i32 %mul, i32 %div, i32 %9, i32 %10, i32 %11, i32 %12, i32 %13, i32 %14, i32 %15, i32 %16, i32 %17, i32 %18)
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%19 = load i32* @sum, align 4
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%add = add nsw i32 %19, %call
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store i32 %add, i32* @sum, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%20 = load i32* @i, align 4
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%inc = add nsw i32 %20, 1
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store i32 %inc, i32* @i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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