; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='gvn' -S %s | FileCheck %s

define i32 @store_both_arms(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @store_both_arms(
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store i32 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[COND:%.*]], i32 10, i32 20
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    ret i32 [[TMP1]]
;
  store i32 10, ptr %p1
  store i32 20, ptr %p2
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @store_and_load(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @store_and_load(
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    [[V1:%.*]] = load i32, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[COND:%.*]], i32 10, i32 [[V1]]
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    [[SUM:%.*]] = add i32 [[TMP1]], [[V1]]
; CHECK-NEXT:    ret i32 [[SUM]]
;
  store i32 10, ptr %p1
  %v1 = load i32, ptr %p2
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  %sum = add i32 %v, %v1
  ret i32 %sum
}

define i32 @store_then_load(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @store_then_load(
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store i32 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[COND:%.*]], i32 10, i32 20
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    ret i32 [[TMP1]]
;
  store i32 10, ptr %p1
  %v1 = load i32, ptr %p1
  store i32 20, ptr %p2
  %v2 = load i32, ptr %p2
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @store_in_pred(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @store_in_pred(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store i32 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[TMP0:%.*]] = select i1 [[COND:%.*]], i32 10, i32 20
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    ret i32 [[TMP0]]
;
entry:
  store i32 10, ptr %p1
  store i32 20, ptr %p2
  br label %bb

bb:
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @negative_volatile_store(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @negative_volatile_store(
; CHECK-NEXT:    store volatile i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store volatile i32 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    [[V:%.*]] = load i32, ptr [[ADDR]], align 4
; CHECK-NEXT:    ret i32 [[V]]
;
  store volatile i32 10, ptr %p1
  store volatile i32 20, ptr %p2
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @negative_store_one_arm_only(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @negative_store_one_arm_only(
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[P1]], ptr [[P2:%.*]]
; CHECK-NEXT:    [[V:%.*]] = load i32, ptr [[ADDR]], align 4
; CHECK-NEXT:    ret i32 [[V]]
;
  store i32 10, ptr %p1
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @negative_atomic_store(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @negative_atomic_store(
; CHECK-NEXT:    store atomic i32 10, ptr [[P1:%.*]] unordered, align 4
; CHECK-NEXT:    store atomic i32 20, ptr [[P2:%.*]] unordered, align 4
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    [[V:%.*]] = load i32, ptr [[ADDR]], align 4
; CHECK-NEXT:    ret i32 [[V]]
;
  store atomic i32 10, ptr %p1 unordered, align 4
  store atomic i32 20, ptr %p2 unordered, align 4
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @negative_type_mismatch(i1 %cond, ptr noalias %p1, ptr noalias %p2) {
; CHECK-LABEL: @negative_type_mismatch(
; CHECK-NEXT:    store i64 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store i64 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    [[V:%.*]] = load i32, ptr [[ADDR]], align 4
; CHECK-NEXT:    ret i32 [[V]]
;
  store i64 10, ptr %p1
  store i64 20, ptr %p2
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @negative_clobber_between(i1 %cond, ptr %p1, ptr %p2) {
; CHECK-LABEL: @negative_clobber_between(
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store i32 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    call void @clobber()
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    [[V:%.*]] = load i32, ptr [[ADDR]], align 4
; CHECK-NEXT:    ret i32 [[V]]
;
  store i32 10, ptr %p1
  store i32 20, ptr %p2
  call void @clobber()
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

define i32 @negative_may_alias_stores(i1 %cond, ptr %p1, ptr %p2) {
; CHECK-LABEL: @negative_may_alias_stores(
; CHECK-NEXT:    store i32 10, ptr [[P1:%.*]], align 4
; CHECK-NEXT:    store i32 20, ptr [[P2:%.*]], align 4
; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[P1]], ptr [[P2]]
; CHECK-NEXT:    [[V:%.*]] = load i32, ptr [[ADDR]], align 4
; CHECK-NEXT:    ret i32 [[V]]
;
  store i32 10, ptr %p1
  store i32 20, ptr %p2
  %addr = select i1 %cond, ptr %p1, ptr %p2
  %v = load i32, ptr %addr
  ret i32 %v
}

declare void @clobber()