33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
; RUN: opt -passes=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 ptr] zeroinitializer, align 4 ; <ptr> [#uses=1]
|
|
@g_177 = constant ptr getelementptr (i8, ptr @g_92, i64 4), align 4 ; <ptr> [#uses=1]
|
|
|
|
define i1 @PR6486() nounwind {
|
|
; CHECK-LABEL: @PR6486(
|
|
%tmp = load ptr, ptr @g_177 ; <ptr> [#uses=1]
|
|
%cmp = icmp ne ptr 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 = global i32 0, align 4
|
|
@a = 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 (ptr @a, ptr @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 (ptr @a, ptr @d), i32 0, i32 1) to i16) to i32), i32 42)
|
|
; CHECK: ret i1 false
|
|
}
|