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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -O3 -S < %s | FileCheck %s
; RUN: opt -instcombine -sccp -bdce -S < %s | FileCheck %s
; RUN: opt -aggressive-instcombine -instcombine -sccp -bdce -S < %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i1 @foo(i32 %t4, i32 %t10) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: ret i1 false
;
%t09 = shl i32 %t10, 24
%t010 = ashr exact i32 %t09, 24
%t011 = add nsw i32 %t010, 979
%t11 = trunc i32 %t4 to i8
%t12 = icmp eq i8 %t11, 0
%t14 = zext i1 %t12 to i32
%t15 = shl i32 %t4, %t14
%t17 = and i32 %t15, 255
%t18 = icmp eq i32 %t011, %t17
ret i1 %t18
}
define i1 @bar(i32 %t4, i32 %t10) {
; CHECK-LABEL: @bar(
; CHECK-NEXT: ret i1 false
;
%t09 = shl i32 %t10, 24
%t010 = ashr exact i32 %t09, 24
%t011 = add nsw i32 %t010, 979
%t11 = trunc i32 %t4 to i8
%t12 = icmp eq i8 %t11, 0
%t14 = zext i1 %t12 to i8
%t15 = shl i8 %t11, %t14
%t17 = zext i8 %t15 to i32
%t18 = icmp eq i32 %t011, %t17
ret i1 %t18
}
define i1 @foobar(i32 %t4, i32 %t10) {
; CHECK-LABEL: @foobar(
; CHECK-NEXT: ret i1 false
;
%t09 = shl i32 %t10, 24
%t010 = ashr exact i32 %t09, 24
%t011 = add nsw i32 %t010, 979
%t11 = trunc i32 %t4 to i8
%t12 = icmp eq i8 %t11, 0
%t13 = zext i8 %t11 to i32
%t14 = select i1 %t12, i32 1, i32 0
%t15 = shl nuw nsw i32 %t13, %t14
%t16 = trunc i32 %t15 to i8
%t17 = zext i8 %t16 to i32
%t18 = icmp eq i32 %t011, %t17
ret i1 %t18
}
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