llvm-project/llvm/test/CodeGen/X86/atom-call-reg-indirect-fold...

78 lines
2.6 KiB
LLVM

; RUN: llc < %s -mtriple=i386-linux-gnu -mcpu=atom 2>&1 | \
; RUN: grep "calll" | not grep "("
; RUN: llc < %s -mtriple=i386-linux-gnu -mcpu=core2 2>&1 | \
; RUN: grep "calll" | grep "*funcp"
;
; original source code built with clang -S -emit-llvm -M32 test32.c:
;
; int a, b, c, d, e, f, g, h, i, j;
; extern int (*funcp)(int, int, int, int, int, int, int, int);
; extern int sum;
;
; void func()
; {
; sum = 0;
; for( i = a; i < b; ++i )
; {
; sum += (*funcp)(i, b, c, d, e, f, g, h);
; }
; }
;
; ModuleID = 'test32.c'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
target triple = "i386-unknown-linux-gnu"
@sum = external global i32
@a = common global i32 0, align 4
@i = common global i32 0, align 4
@b = common global i32 0, align 4
@funcp = external global i32 (i32, i32, i32, i32, i32, i32, i32, i32)*
@c = common global i32 0, align 4
@d = common global i32 0, align 4
@e = common global i32 0, align 4
@f = common global i32 0, align 4
@g = common global i32 0, align 4
@h = common global i32 0, align 4
@j = common global i32 0, align 4
define void @func() #0 {
entry:
store i32 0, i32* @sum, align 4
%0 = load i32* @a, align 4
store i32 %0, i32* @i, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%1 = load i32* @i, align 4
%2 = load i32* @b, align 4
%cmp = icmp slt i32 %1, %2
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%3 = load i32 (i32, i32, i32, i32, i32, i32, i32, i32)** @funcp, align 4
%4 = load i32* @i, align 4
%5 = load i32* @b, align 4
%6 = load i32* @c, align 4
%7 = load i32* @d, align 4
%8 = load i32* @e, align 4
%9 = load i32* @f, align 4
%10 = load i32* @g, align 4
%11 = load i32* @h, align 4
%call = call i32 %3(i32 %4, i32 %5, i32 %6, i32 %7, i32 %8, i32 %9, i32 %10, i32 %11)
%12 = load i32* @sum, align 4
%add = add nsw i32 %12, %call
store i32 %add, i32* @sum, align 4
br label %for.inc
for.inc: ; preds = %for.body
%13 = load i32* @i, align 4
%inc = add nsw i32 %13, 1
store i32 %inc, i32* @i, align 4
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
attributes #0 = { nounwind "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" }