mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 23:42:52 +01:00
49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | FileCheck %s
|
|
|
|
; The multiply in bb2 must not be reduced to an add, as the sext causes the
|
|
; %1 argument to become negative after a while.
|
|
|
|
; CHECK: sext i8
|
|
; CHECK: mul i32
|
|
; CHECK: store i32
|
|
|
|
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-f80:128:128"
|
|
target triple = "i386-apple-darwin9.6"
|
|
@table = common global [32 x [256 x i32]] zeroinitializer, align 32 ; <[32 x [256 x i32]]*> [#uses=2]
|
|
|
|
define i32 @main() nounwind {
|
|
bb4.thread:
|
|
br label %bb2
|
|
|
|
bb2: ; preds = %bb4, %bb2, %bb4.thread
|
|
%i.0.reg2mem.0.ph = phi i32 [ 0, %bb4.thread ], [ %i.0.reg2mem.0.ph, %bb2 ], [ %indvar.next9, %bb4 ] ; <i32> [#uses=4]
|
|
%j.0.reg2mem.0 = phi i32 [ 0, %bb4.thread ], [ %indvar.next, %bb2 ], [ 0, %bb4 ] ; <i32> [#uses=3]
|
|
%0 = trunc i32 %j.0.reg2mem.0 to i8 ; <i8> [#uses=1]
|
|
%1 = sext i8 %0 to i32 ; <i32> [#uses=1]
|
|
%2 = mul i32 %1, %i.0.reg2mem.0.ph ; <i32> [#uses=1]
|
|
%3 = getelementptr [32 x [256 x i32]]* @table, i32 0, i32 %i.0.reg2mem.0.ph, i32 %j.0.reg2mem.0 ; <i32*> [#uses=1]
|
|
store i32 %2, i32* %3, align 4
|
|
%indvar.next = add i32 %j.0.reg2mem.0, 1 ; <i32> [#uses=2]
|
|
%exitcond = icmp eq i32 %indvar.next, 256 ; <i1> [#uses=1]
|
|
br i1 %exitcond, label %bb4, label %bb2
|
|
|
|
bb4: ; preds = %bb2
|
|
%indvar.next9 = add i32 %i.0.reg2mem.0.ph, 1 ; <i32> [#uses=2]
|
|
%exitcond10 = icmp eq i32 %indvar.next9, 32 ; <i1> [#uses=1]
|
|
br i1 %exitcond10, label %bb5, label %bb2
|
|
|
|
bb5: ; preds = %bb4
|
|
%4 = load i32* getelementptr ([32 x [256 x i32]]* @table, i32 0, i32 9, i32 132), align 16 ; <i32> [#uses=1]
|
|
%5 = icmp eq i32 %4, -1116 ; <i1> [#uses=1]
|
|
br i1 %5, label %bb7, label %bb6
|
|
|
|
bb6: ; preds = %bb5
|
|
tail call void @abort() noreturn nounwind
|
|
unreachable
|
|
|
|
bb7: ; preds = %bb5
|
|
ret i32 0
|
|
}
|
|
|
|
declare void @abort() noreturn nounwind
|