+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; PR6165
define i32 @f() {
+; CHECK-LABEL: @f(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br label [[BB1:%.*]]
+; CHECK: BB1:
+; CHECK-NEXT: [[X:%.*]] = phi i32 [ -29, [[ENTRY:%.*]] ], [ 0, [[BB1]] ]
+; CHECK-NEXT: [[REM:%.*]] = srem i32 [[X]], 2
+; CHECK-NEXT: [[T:%.*]] = icmp eq i32 [[REM]], -1
+; CHECK-NEXT: br i1 [[T]], label [[BB2:%.*]], label [[BB1]]
+; CHECK: BB2:
+; CHECK-NEXT: ret i32 [[X]]
+;
entry:
br label %BB1
BB1: ; preds = %BB1, %entry
-; CHECK: BB1:
%x = phi i32 [ -29, %entry ], [ 0, %BB1 ] ; <i32> [#uses=2]
%rem = srem i32 %x, 2 ; <i32> [#uses=1]
%t = icmp eq i32 %rem, -1 ; <i1> [#uses=1]
br i1 %t, label %BB2, label %BB1
-; CHECK-NOT: br i1 false
BB2: ; preds = %BB1
-; CHECK: BB2:
ret i32 %x
}
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; ModuleID = 'test/Transforms/InstCombine/add4.ll'
source_filename = "test/Transforms/InstCombine/add4.ll"
define i64 @match_unsigned(i64 %x) {
; CHECK-LABEL: @match_unsigned(
-; CHECK-NEXT: bb:
+; CHECK-NEXT: bb:
; CHECK-NEXT: [[UREM:%.*]] = urem i64 [[X:%.*]], 19136
; CHECK-NEXT: ret i64 [[UREM]]
;
define i64 @match_andAsRem_lshrAsDiv_shlAsMul(i64 %x) {
; CHECK-LABEL: @match_andAsRem_lshrAsDiv_shlAsMul(
-; CHECK-NEXT: bb:
+; CHECK-NEXT: bb:
; CHECK-NEXT: [[UREM:%.*]] = urem i64 [[X:%.*]], 576
; CHECK-NEXT: ret i64 [[UREM]]
;
define i64 @match_signed(i64 %x) {
; CHECK-LABEL: @match_signed(
-; CHECK-NEXT: bb:
+; CHECK-NEXT: bb:
; CHECK-NEXT: [[SREM1:%.*]] = srem i64 [[X:%.*]], 172224
; CHECK-NEXT: ret i64 [[SREM1]]
;
define i64 @not_match_inconsistent_signs(i64 %x) {
; CHECK-LABEL: @not_match_inconsistent_signs(
-; CHECK: [[TMP:%.*]] = add
-; CHECK-NEXT: ret i64 [[TMP]]
+; CHECK-NEXT: bb:
+; CHECK-NEXT: [[TMP:%.*]] = urem i64 [[X:%.*]], 299
+; CHECK-NEXT: [[TMP1:%.*]] = sdiv i64 [[X]], 299
+; CHECK-NEXT: [[TMP2:%.*]] = and i64 [[TMP1]], 63
+; CHECK-NEXT: [[TMP3:%.*]] = mul nuw nsw i64 [[TMP2]], 299
+; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP]], [[TMP3]]
+; CHECK-NEXT: ret i64 [[TMP4]]
;
bb:
%tmp = urem i64 %x, 299
define i64 @not_match_inconsistent_values(i64 %x) {
; CHECK-LABEL: @not_match_inconsistent_values(
-; CHECK: [[TMP:%.*]] = add
-; CHECK-NEXT: ret i64 [[TMP]]
+; CHECK-NEXT: bb:
+; CHECK-NEXT: [[TMP:%.*]] = urem i64 [[X:%.*]], 299
+; CHECK-NEXT: [[TMP1:%.*]] = udiv i64 [[X]], 29
+; CHECK-NEXT: [[TMP2:%.*]] = and i64 [[TMP1]], 63
+; CHECK-NEXT: [[TMP3:%.*]] = mul nuw nsw i64 [[TMP2]], 299
+; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP]], [[TMP3]]
+; CHECK-NEXT: ret i64 [[TMP4]]
;
bb:
%tmp = urem i64 %x, 299
define i32 @not_match_overflow(i32 %x) {
; CHECK-LABEL: @not_match_overflow(
-; CHECK: [[TMP:%.*]] = add
-; CHECK-NEXT: ret i32 [[TMP]]
+; CHECK-NEXT: bb:
+; CHECK-NEXT: [[TMP:%.*]] = urem i32 [[X:%.*]], 299
+; CHECK-NEXT: [[TMP0:%.*]] = urem i32 [[X]], 299
+; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[X]], [[TMP0]]
+; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[TMP]], [[TMP3]]
+; CHECK-NEXT: ret i32 [[TMP4]]
;
bb:
%tmp = urem i32 %x, 299