; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -mtriple=thumbv8m.main %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s --check-prefix=CHECK --check-prefix=THUMB ; RUN: opt -mtriple=thumbv8a %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s --check-prefix=CHECK --check-prefix=THUMB ; RUN: opt -mtriple=armv8a %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s --check-prefix=CHECK --check-prefix=ARM define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[D:%.*]], 3 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 [[CMP1]], i1 false ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_FALSE:%.*]], label [[COND_END:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i32 %d, 3 br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.false, label %cond.end cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @foo_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) #0 { ; CHECK-LABEL: @foo_minsize( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[D:%.*]], 3 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 [[CMP1]], i1 false ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_FALSE:%.*]], label [[COND_END:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i32 %d, 3 br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.false, label %cond.end cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @foo_minsize_i64(i64 %a, i64 %b, i64 %c, i64 %d, i32* %input) #0 { ; CHECK-LABEL: @foo_minsize_i64( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp sle i64 [[D:%.*]], 3 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i64 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 [[CMP1]], i1 false ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_FALSE:%.*]], label [[COND_END:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i64 %d, 3 br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i64 %c, %a %cmp1 = icmp slt i64 %add, %b br i1 %cmp1, label %cond.false, label %cond.end cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @or_predicate(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) { ; CHECK-LABEL: @or_predicate( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[D:%.*]], 3 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 true, i1 [[CMP1]] ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i32 %d, 3 br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.end, label %cond.false cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @or_invert_predicate(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) { ; CHECK-LABEL: @or_invert_predicate( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[D:%.*]], 3 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 true, i1 [[CMP1]] ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i32 %d, 3 br i1 %cmp, label %lor.lhs.false, label %cond.end lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.end, label %cond.false cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @or_predicate_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) #0 { ; THUMB-LABEL: @or_predicate_minsize( ; THUMB-NEXT: entry: ; THUMB-NEXT: [[CMP:%.*]] = icmp sgt i32 [[D:%.*]], 3 ; THUMB-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[LOR_LHS_FALSE:%.*]] ; THUMB: lor.lhs.false: ; THUMB-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; THUMB-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; THUMB-NEXT: br i1 [[CMP1]], label [[COND_END]], label [[COND_FALSE:%.*]] ; THUMB: cond.false: ; THUMB-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; THUMB-NEXT: br label [[COND_END]] ; THUMB: cond.end: ; THUMB-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[LOR_LHS_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; THUMB-NEXT: ret i32 [[COND]] ; ; ARM-LABEL: @or_predicate_minsize( ; ARM-NEXT: entry: ; ARM-NEXT: [[CMP:%.*]] = icmp sgt i32 [[D:%.*]], 3 ; ARM-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; ARM-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; ARM-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 true, i1 [[CMP1]] ; ARM-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] ; ARM: cond.false: ; ARM-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; ARM-NEXT: br label [[COND_END]] ; ARM: cond.end: ; ARM-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; ARM-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i32 %d, 3 br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.end, label %cond.false cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @or_invert_predicate_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input) #0 { ; THUMB-LABEL: @or_invert_predicate_minsize( ; THUMB-NEXT: entry: ; THUMB-NEXT: [[CMP:%.*]] = icmp sgt i32 [[D:%.*]], 3 ; THUMB-NEXT: br i1 [[CMP]], label [[LOR_LHS_FALSE:%.*]], label [[COND_END:%.*]] ; THUMB: lor.lhs.false: ; THUMB-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; THUMB-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; THUMB-NEXT: br i1 [[CMP1]], label [[COND_END]], label [[COND_FALSE:%.*]] ; THUMB: cond.false: ; THUMB-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; THUMB-NEXT: br label [[COND_END]] ; THUMB: cond.end: ; THUMB-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[LOR_LHS_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; THUMB-NEXT: ret i32 [[COND]] ; ; ARM-LABEL: @or_invert_predicate_minsize( ; ARM-NEXT: entry: ; ARM-NEXT: [[CMP:%.*]] = icmp sle i32 [[D:%.*]], 3 ; ARM-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; ARM-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; ARM-NEXT: [[OR_COND:%.*]] = select i1 [[CMP]], i1 true, i1 [[CMP1]] ; ARM-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] ; ARM: cond.false: ; ARM-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; ARM-NEXT: br label [[COND_END]] ; ARM: cond.end: ; ARM-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; ARM-NEXT: ret i32 [[COND]] ; entry: %cmp = icmp sgt i32 %d, 3 br i1 %cmp, label %lor.lhs.false, label %cond.end lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.end, label %cond.false cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @or_xor_predicate(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input, i1 %cmp) { ; CHECK-LABEL: @or_xor_predicate( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP_NOT:%.*]] = xor i1 [[CMP:%.*]], true ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP_NOT]], i1 true, i1 [[CMP1]] ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: br i1 %cmp, label %lor.lhs.false, label %cond.end lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.end, label %cond.false cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @or_xor_predicate_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input, i1 %cmp) #0 { ; THUMB-LABEL: @or_xor_predicate_minsize( ; THUMB-NEXT: entry: ; THUMB-NEXT: br i1 [[CMP:%.*]], label [[LOR_LHS_FALSE:%.*]], label [[COND_END:%.*]] ; THUMB: lor.lhs.false: ; THUMB-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; THUMB-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; THUMB-NEXT: br i1 [[CMP1]], label [[COND_END]], label [[COND_FALSE:%.*]] ; THUMB: cond.false: ; THUMB-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; THUMB-NEXT: br label [[COND_END]] ; THUMB: cond.end: ; THUMB-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[LOR_LHS_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; THUMB-NEXT: ret i32 [[COND]] ; ; ARM-LABEL: @or_xor_predicate_minsize( ; ARM-NEXT: entry: ; ARM-NEXT: [[CMP_NOT:%.*]] = xor i1 [[CMP:%.*]], true ; ARM-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; ARM-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; ARM-NEXT: [[OR_COND:%.*]] = select i1 [[CMP_NOT]], i1 true, i1 [[CMP1]] ; ARM-NEXT: br i1 [[OR_COND]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] ; ARM: cond.false: ; ARM-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; ARM-NEXT: br label [[COND_END]] ; ARM: cond.end: ; ARM-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; ARM-NEXT: ret i32 [[COND]] ; entry: br i1 %cmp, label %lor.lhs.false, label %cond.end lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.end, label %cond.false cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @and_xor(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input, i1 %cmp) { ; CHECK-LABEL: @and_xor( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP_NOT:%.*]] = xor i1 [[CMP:%.*]], true ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[CMP_NOT]], i1 [[CMP1]], i1 false ; CHECK-NEXT: br i1 [[OR_COND]], label [[COND_FALSE:%.*]], label [[COND_END:%.*]] ; CHECK: cond.false: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; CHECK-NEXT: br label [[COND_END]] ; CHECK: cond.end: ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[COND]] ; entry: br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.false, label %cond.end cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } define i32 @and_xor_minsize(i32 %a, i32 %b, i32 %c, i32 %d, i32* %input, i1 %cmp) #0 { ; THUMB-LABEL: @and_xor_minsize( ; THUMB-NEXT: entry: ; THUMB-NEXT: br i1 [[CMP:%.*]], label [[COND_END:%.*]], label [[LOR_LHS_FALSE:%.*]] ; THUMB: lor.lhs.false: ; THUMB-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; THUMB-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; THUMB-NEXT: br i1 [[CMP1]], label [[COND_FALSE:%.*]], label [[COND_END]] ; THUMB: cond.false: ; THUMB-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; THUMB-NEXT: br label [[COND_END]] ; THUMB: cond.end: ; THUMB-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[LOR_LHS_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; THUMB-NEXT: ret i32 [[COND]] ; ; ARM-LABEL: @and_xor_minsize( ; ARM-NEXT: entry: ; ARM-NEXT: [[CMP_NOT:%.*]] = xor i1 [[CMP:%.*]], true ; ARM-NEXT: [[ADD:%.*]] = add nsw i32 [[C:%.*]], [[A:%.*]] ; ARM-NEXT: [[CMP1:%.*]] = icmp slt i32 [[ADD]], [[B:%.*]] ; ARM-NEXT: [[OR_COND:%.*]] = select i1 [[CMP_NOT]], i1 [[CMP1]], i1 false ; ARM-NEXT: br i1 [[OR_COND]], label [[COND_FALSE:%.*]], label [[COND_END:%.*]] ; ARM: cond.false: ; ARM-NEXT: [[TMP0:%.*]] = load i32, i32* [[INPUT:%.*]], align 4 ; ARM-NEXT: br label [[COND_END]] ; ARM: cond.end: ; ARM-NEXT: [[COND:%.*]] = phi i32 [ [[TMP0]], [[COND_FALSE]] ], [ 0, [[ENTRY:%.*]] ] ; ARM-NEXT: ret i32 [[COND]] ; entry: br i1 %cmp, label %cond.end, label %lor.lhs.false lor.lhs.false: %add = add nsw i32 %c, %a %cmp1 = icmp slt i32 %add, %b br i1 %cmp1, label %cond.false, label %cond.end cond.false: %0 = load i32, i32* %input, align 4 br label %cond.end cond.end: %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ] ret i32 %cond } attributes #0 = { minsize optsize }