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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=mergeicmps -verify-dom-info -S | FileCheck %s
target triple = "x86_64"
; This is very much not an x86 ABI, in current use, but we're testing
; that we've fixed a bug where accumulateConstantOffset() was called incorrectly.
target datalayout = "e-p:64:64:64:32"
; Define a cunstom data layout that has index width < pointer width
; and make sure that doesn't mreak anything
define void @fat_ptrs(ptr dereferenceable(16) %a, ptr dereferenceable(16) %b) {
; CHECK-LABEL: @fat_ptrs(
; CHECK-NEXT: bb0:
; CHECK-NEXT: [[PTR_A1:%.*]] = getelementptr inbounds [2 x i64], ptr [[A:%.*]], i32 0, i32 1
; CHECK-NEXT: [[PTR_B1:%.*]] = getelementptr inbounds [2 x i64], ptr [[B:%.*]], i32 0, i32 1
; CHECK-NEXT: br label %"bb1+bb2"
; CHECK: "bb1+bb2":
; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[A]], ptr [[B]], i64 16)
; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[MEMCMP]], 0
; CHECK-NEXT: br label [[BB3:%.*]]
; CHECK: bb3:
; CHECK-NEXT: ret void
;
bb0:
%ptr_a1 = getelementptr inbounds [2 x i64], ptr %a, i32 0, i32 1
%ptr_b1 = getelementptr inbounds [2 x i64], ptr %b, i32 0, i32 1
br label %bb1
bb1: ; preds = %bb0
%a0 = load i64, ptr %a
%b0 = load i64, ptr %b
%cond0 = icmp eq i64 %a0, %b0
br i1 %cond0, label %bb2, label %bb3
bb2: ; preds = %bb1
%a1 = load i64, ptr %ptr_a1
%b1 = load i64, ptr %ptr_b1
%cond1 = icmp eq i64 %a1, %b1
br label %bb3
bb3: ; preds = %bb2, %bb1
%necessary = phi i1 [ %cond1, %bb2 ], [ false, %bb1 ]
ret void
}
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