| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| 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" |
| target triple = "i386-unknown-linux-gnu" |
| |
| @g_92 = common global [2 x i32*] zeroinitializer, align 4 ; <[2 x i32*]*> [#uses=1] |
| @g_177 = constant i32** bitcast (i8* getelementptr (i8, i8* bitcast ([2 x i32*]* @g_92 to i8*), i64 4) to i32**), align 4 ; <i32***> [#uses=1] |
| |
| define i1 @PR6486() nounwind { |
| ; CHECK-LABEL: @PR6486( |
| %tmp = load i32**, i32*** @g_177 ; <i32**> [#uses=1] |
| %cmp = icmp ne i32** null, %tmp ; <i1> [#uses=1] |
| %conv = zext i1 %cmp to i32 ; <i32> [#uses=1] |
| %cmp1 = icmp sle i32 0, %conv ; <i1> [#uses=1] |
| ret i1 %cmp1 |
| ; CHECK: ret i1 true |
| } |
| |
| @d = common global i32 0, align 4 |
| @a = common global [1 x i32] zeroinitializer, align 4 |
| |
| define i1 @PR16462_1() nounwind { |
| ; CHECK-LABEL: @PR16462_1( |
| ret i1 icmp sgt (i32 sext (i16 trunc (i32 select (i1 icmp eq (i32* getelementptr inbounds ([1 x i32], [1 x i32]* @a, i32 0, i32 0), i32* @d), i32 0, i32 1) to i16) to i32), i32 65535) |
| ; CHECK: ret i1 false |
| } |
| |
| define i1 @PR16462_2() nounwind { |
| ; CHECK-LABEL: @PR16462_2( |
| ret i1 icmp sgt (i32 sext (i16 trunc (i32 select (i1 icmp eq (i32* getelementptr inbounds ([1 x i32], [1 x i32]* @a, i32 0, i32 0), i32* @d), i32 0, i32 1) to i16) to i32), i32 42) |
| ; CHECK: ret i1 false |
| } |
