| ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 |
| |
| 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" |
| target triple = "x86_64-apple-macosx10.8.0" |
| |
| %struct.DState = type { i32, i32 } |
| |
| @b = common global %struct.DState zeroinitializer, align 4 |
| @d = common global i32 0, align 4 |
| @c = common global i32 0, align 4 |
| @a = common global i32 0, align 4 |
| @e = common global i32 0, align 4 |
| |
| define i32 @fn1() { |
| entry: |
| %0 = load i32, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 0), align 4 |
| %1 = load i32, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 1), align 4 |
| %2 = load i32, i32* @d, align 4 |
| %cond = icmp eq i32 %2, 0 |
| br i1 %cond, label %sw.bb, label %save_state_and_return |
| |
| sw.bb: ; preds = %entry |
| %3 = load i32, i32* @c, align 4 |
| %and = and i32 %3, 7 |
| store i32 %and, i32* @a, align 4 |
| switch i32 %and, label %if.end [ |
| i32 7, label %save_state_and_return |
| i32 0, label %save_state_and_return |
| ] |
| |
| if.end: ; preds = %sw.bb |
| br label %save_state_and_return |
| |
| save_state_and_return: ; preds = %sw.bb, %sw.bb, %if.end, %entry |
| %t.0 = phi i32 [ 0, %if.end ], [ %0, %entry ], [ %0, %sw.bb ], [ %0, %sw.bb ] |
| %f.0 = phi i32 [ 0, %if.end ], [ %1, %entry ], [ 0, %sw.bb ], [ 0, %sw.bb ] |
| store i32 %t.0, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 0), align 4 |
| store i32 %f.0, i32* getelementptr inbounds (%struct.DState, %struct.DState* @b, i32 0, i32 1), align 4 |
| ret i32 undef |
| } |
| |