; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
; NOTE: The custom datalayout defines i32 to be 64 bit aligned.
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i32:64:64-f80:128-n8:16:32:64-S128"
declare void @use(ptr)
declare i1 @cond()
define void @test_monotonic_ptr_iv_inc_1_element_types_with_different_alloc_type_sizes(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_element_types_with_different_alloc_type_sizes(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds float, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds float, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_2_element_types_with_different_alloc_type_sizes(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_2_element_types_with_different_alloc_type_sizes(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds float, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds i32, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds float, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_1_different_element_types_with_same_alloc_type_sizes(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_different_element_types_with_same_alloc_type_sizes(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i5, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i7, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds i5, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds i7, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_2_different_element_types_with_same_alloc_type_sizes(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_2_different_element_types_with_same_alloc_type_sizes(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i31, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i30, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds i31, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds i30, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_1_element_types_with_different_alloc_type_sizes_with_early_exit(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_element_types_with_different_alloc_type_sizes_with_early_exit(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds float, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
; CHECK: loop.next:
; CHECK-NEXT: [[T_2:%.*]] = icmp ult ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: [[AND:%.*]] = and i1 true, [[T_2]]
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds float, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%c.1 = call i1 @cond()
br i1 %c.1, label %loop.next, label %exit
loop.next:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds i32, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_2_element_types_with_different_alloc_type_sizes_with_early_exit(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_2_element_types_with_different_alloc_type_sizes_with_early_exit(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
; CHECK: loop.next:
; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds float, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds i32, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%c.1 = call i1 @cond()
br i1 %c.1, label %loop.next, label %exit
loop.next:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds float, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_1_different_element_types_with_same_alloc_type_sizes_with_early_exit(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_1_different_element_types_with_same_alloc_type_sizes_with_early_exit(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i5, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
; CHECK: loop.next:
; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i7, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds i5, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%c.1 = call i1 @cond()
br i1 %c.1, label %loop.next, label %exit
loop.next:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds i7, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}
define void @test_monotonic_ptr_iv_inc_2_different_element_types_with_same_alloc_type_sizes_with_early_exit(ptr %start, i16 %len) {
; CHECK-LABEL: @test_monotonic_ptr_iv_inc_2_different_element_types_with_same_alloc_type_sizes_with_early_exit(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[UPPER:%.*]] = getelementptr inbounds i31, ptr [[START:%.*]], i16 [[LEN:%.*]]
; CHECK-NEXT: [[LEN_NEG:%.*]] = icmp slt i16 [[LEN]], 0
; CHECK-NEXT: br i1 [[LEN_NEG]], label [[EXIT:%.*]], label [[LOOP_PH:%.*]]
; CHECK: loop.ph:
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
; CHECK: loop.header:
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[START]], [[LOOP_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[PTR_IV]], [[UPPER]]
; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[C_1:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C_1]], label [[LOOP_NEXT:%.*]], label [[EXIT]]
; CHECK: loop.next:
; CHECK-NEXT: [[AND:%.*]] = and i1 true, true
; CHECK-NEXT: br i1 [[AND]], label [[LOOP_LATCH]], label [[EXIT]]
; CHECK: loop.latch:
; CHECK-NEXT: call void @use(ptr [[PTR_IV]])
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr inbounds i30, ptr [[PTR_IV]], i16 1
; CHECK-NEXT: br label [[LOOP_HEADER]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%upper = getelementptr inbounds i31, ptr %start, i16 %len
%len.neg = icmp slt i16 %len, 0
br i1 %len.neg, label %exit, label %loop.ph
loop.ph:
br label %loop.header
loop.header:
%ptr.iv = phi ptr [ %start, %loop.ph ], [ %ptr.iv.next, %loop.latch ]
%c = icmp eq ptr %ptr.iv, %upper
br i1 %c, label %exit, label %for.body
for.body:
%c.1 = call i1 @cond()
br i1 %c.1, label %loop.next, label %exit
loop.next:
%t.1 = icmp uge ptr %ptr.iv, %start
%t.2 = icmp ult ptr %ptr.iv, %upper
%and = and i1 %t.1, %t.2
br i1 %and, label %loop.latch, label %exit
loop.latch:
call void @use(ptr %ptr.iv)
%ptr.iv.next = getelementptr inbounds i30, ptr %ptr.iv, i16 1
br label %loop.header
exit:
ret void
}