forked from OSchip/llvm-project
107 lines
4.3 KiB
LLVM
107 lines
4.3 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt %s -instsimplify -S | FileCheck %s
|
||
|
|
|
||
|
|
declare { i4, i1 } @llvm.umul.with.overflow.i4(i4, i4) #1
|
||
|
|
|
||
|
|
define i1 @t0_umul(i4 %size, i4 %nmemb) {
|
||
|
|
; CHECK-LABEL: @t0_umul(
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i4 [[SIZE:%.*]], 0
|
||
|
|
; CHECK-NEXT: [[UMUL:%.*]] = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 [[SIZE]], i4 [[NMEMB:%.*]])
|
||
|
|
; CHECK-NEXT: [[UMUL_OV:%.*]] = extractvalue { i4, i1 } [[UMUL]], 1
|
||
|
|
; CHECK-NEXT: [[PHITMP:%.*]] = xor i1 [[UMUL_OV]], true
|
||
|
|
; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[PHITMP]]
|
||
|
|
; CHECK-NEXT: ret i1 [[OR]]
|
||
|
|
;
|
||
|
|
%cmp = icmp eq i4 %size, 0
|
||
|
|
%umul = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 %size, i4 %nmemb)
|
||
|
|
%umul.ov = extractvalue { i4, i1 } %umul, 1
|
||
|
|
%phitmp = xor i1 %umul.ov, true
|
||
|
|
%or = or i1 %cmp, %phitmp
|
||
|
|
ret i1 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @t1_commutative(i4 %size, i4 %nmemb) {
|
||
|
|
; CHECK-LABEL: @t1_commutative(
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i4 [[SIZE:%.*]], 0
|
||
|
|
; CHECK-NEXT: [[UMUL:%.*]] = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 [[SIZE]], i4 [[NMEMB:%.*]])
|
||
|
|
; CHECK-NEXT: [[UMUL_OV:%.*]] = extractvalue { i4, i1 } [[UMUL]], 1
|
||
|
|
; CHECK-NEXT: [[PHITMP:%.*]] = xor i1 [[UMUL_OV]], true
|
||
|
|
; CHECK-NEXT: [[OR:%.*]] = or i1 [[PHITMP]], [[CMP]]
|
||
|
|
; CHECK-NEXT: ret i1 [[OR]]
|
||
|
|
;
|
||
|
|
%cmp = icmp eq i4 %size, 0
|
||
|
|
%umul = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 %size, i4 %nmemb)
|
||
|
|
%umul.ov = extractvalue { i4, i1 } %umul, 1
|
||
|
|
%phitmp = xor i1 %umul.ov, true
|
||
|
|
%or = or i1 %phitmp, %cmp ; swapped
|
||
|
|
ret i1 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @n2_wrong_size(i4 %size0, i4 %size1, i4 %nmemb) {
|
||
|
|
; CHECK-LABEL: @n2_wrong_size(
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i4 [[SIZE1:%.*]], 0
|
||
|
|
; CHECK-NEXT: [[UMUL:%.*]] = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 [[SIZE0:%.*]], i4 [[NMEMB:%.*]])
|
||
|
|
; CHECK-NEXT: [[UMUL_OV:%.*]] = extractvalue { i4, i1 } [[UMUL]], 1
|
||
|
|
; CHECK-NEXT: [[PHITMP:%.*]] = xor i1 [[UMUL_OV]], true
|
||
|
|
; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[PHITMP]]
|
||
|
|
; CHECK-NEXT: ret i1 [[OR]]
|
||
|
|
;
|
||
|
|
%cmp = icmp eq i4 %size1, 0 ; not %size0
|
||
|
|
%umul = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 %size0, i4 %nmemb)
|
||
|
|
%umul.ov = extractvalue { i4, i1 } %umul, 1
|
||
|
|
%phitmp = xor i1 %umul.ov, true
|
||
|
|
%or = or i1 %cmp, %phitmp
|
||
|
|
ret i1 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @n3_wrong_pred(i4 %size, i4 %nmemb) {
|
||
|
|
; CHECK-LABEL: @n3_wrong_pred(
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i4 [[SIZE:%.*]], 0
|
||
|
|
; CHECK-NEXT: [[UMUL:%.*]] = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 [[SIZE]], i4 [[NMEMB:%.*]])
|
||
|
|
; CHECK-NEXT: [[UMUL_OV:%.*]] = extractvalue { i4, i1 } [[UMUL]], 1
|
||
|
|
; CHECK-NEXT: [[PHITMP:%.*]] = xor i1 [[UMUL_OV]], true
|
||
|
|
; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[PHITMP]]
|
||
|
|
; CHECK-NEXT: ret i1 [[OR]]
|
||
|
|
;
|
||
|
|
%cmp = icmp ne i4 %size, 0 ; not 'eq'
|
||
|
|
%umul = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 %size, i4 %nmemb)
|
||
|
|
%umul.ov = extractvalue { i4, i1 } %umul, 1
|
||
|
|
%phitmp = xor i1 %umul.ov, true
|
||
|
|
%or = or i1 %cmp, %phitmp
|
||
|
|
ret i1 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @n4_not_and(i4 %size, i4 %nmemb) {
|
||
|
|
; CHECK-LABEL: @n4_not_and(
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i4 [[SIZE:%.*]], 0
|
||
|
|
; CHECK-NEXT: [[UMUL:%.*]] = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 [[SIZE]], i4 [[NMEMB:%.*]])
|
||
|
|
; CHECK-NEXT: [[UMUL_OV:%.*]] = extractvalue { i4, i1 } [[UMUL]], 1
|
||
|
|
; CHECK-NEXT: [[PHITMP:%.*]] = xor i1 [[UMUL_OV]], true
|
||
|
|
; CHECK-NEXT: [[OR:%.*]] = and i1 [[CMP]], [[PHITMP]]
|
||
|
|
; CHECK-NEXT: ret i1 [[OR]]
|
||
|
|
;
|
||
|
|
%cmp = icmp eq i4 %size, 0
|
||
|
|
%umul = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 %size, i4 %nmemb)
|
||
|
|
%umul.ov = extractvalue { i4, i1 } %umul, 1
|
||
|
|
%phitmp = xor i1 %umul.ov, true
|
||
|
|
%or = and i1 %cmp, %phitmp ; not 'or'
|
||
|
|
ret i1 %or
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @n5_not_zero(i4 %size, i4 %nmemb) {
|
||
|
|
; CHECK-LABEL: @n5_not_zero(
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i4 [[SIZE:%.*]], 1
|
||
|
|
; CHECK-NEXT: [[UMUL:%.*]] = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 [[SIZE]], i4 [[NMEMB:%.*]])
|
||
|
|
; CHECK-NEXT: [[UMUL_OV:%.*]] = extractvalue { i4, i1 } [[UMUL]], 1
|
||
|
|
; CHECK-NEXT: [[PHITMP:%.*]] = xor i1 [[UMUL_OV]], true
|
||
|
|
; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[PHITMP]]
|
||
|
|
; CHECK-NEXT: ret i1 [[OR]]
|
||
|
|
;
|
||
|
|
%cmp = icmp eq i4 %size, 1 ; should be '0'
|
||
|
|
%umul = tail call { i4, i1 } @llvm.umul.with.overflow.i4(i4 %size, i4 %nmemb)
|
||
|
|
%umul.ov = extractvalue { i4, i1 } %umul, 1
|
||
|
|
%phitmp = xor i1 %umul.ov, true
|
||
|
|
%or = or i1 %cmp, %phitmp
|
||
|
|
ret i1 %or
|
||
|
|
}
|