1 ; RUN: opt -passes=instcombine -S < %s | FileCheck %s
3 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"
4 target triple = "i386-unknown-linux-gnu"
6 @g_92 = common global [2 x ptr] zeroinitializer, align 4 ; <ptr> [#uses=1]
7 @g_177 = constant ptr getelementptr (i8, ptr @g_92, i64 4), align 4 ; <ptr> [#uses=1]
9 define i1 @PR6486() nounwind {
10 ; CHECK-LABEL: @PR6486(
11 %tmp = load ptr, ptr @g_177 ; <ptr> [#uses=1]
12 %cmp = icmp ne ptr null, %tmp ; <i1> [#uses=1]
13 %conv = zext i1 %cmp to i32 ; <i32> [#uses=1]
14 %cmp1 = icmp sle i32 0, %conv ; <i1> [#uses=1]
19 @d = global i32 0, align 4
20 @a = global [1 x i32] zeroinitializer, align 4
22 define i1 @PR16462_1() nounwind {
23 ; CHECK-LABEL: @PR16462_1(
24 %cmp = icmp eq ptr @a, @d
25 %constexpr = select i1 %cmp, i32 0, i32 1
26 %constexpr1 = trunc i32 %constexpr to i16
27 %constexpr2 = sext i16 %constexpr1 to i32
28 %constexpr3 = icmp sgt i32 %constexpr2, 65535
33 define i1 @PR16462_2() nounwind {
34 ; CHECK-LABEL: @PR16462_2(
35 %cmp = icmp eq ptr @a, @d
36 %constexpr = select i1 %cmp, i32 0, i32 1
37 %constexpr1 = trunc i32 %constexpr to i16
38 %constexpr2 = icmp sgt i16 %constexpr1, 42