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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=gvn -S %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
declare void @foo(i64 %v) readonly
define void @non_local_load(ptr %ptr) {
; CHECK-LABEL: @non_local_load(
; CHECK-NEXT: entry:
; CHECK-NEXT: store i32 0, ptr [[PTR:%.*]], align 4
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[VAL:%.*]] = phi i32 [ [[VAL_INC:%.*]], [[LOOP]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[LOOP]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT: [[VAL_INC]] = add i32 [[VAL]], 1
; CHECK-NEXT: store i32 [[VAL_INC]], ptr [[PTR]], align 4
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp eq i32 [[IV]], 1000
; CHECK-NEXT: br i1 [[LOOP_COND]], label [[EXIT:%.*]], label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
store i32 0, ptr %ptr
br label %loop
loop:
%iv = phi i32 [ %iv.next, %loop ], [ 0, %entry ]
%val = load i32, ptr %ptr
%val.inc = add i32 %val, 1
store i32 %val.inc, ptr %ptr
%iv.next = add i32 %iv, 1
%loop.cond = icmp eq i32 %iv, 1000
br i1 %loop.cond, label %exit, label %loop
exit:
ret void
}
define void @non_local_load_with_iv_zext(ptr %ptr) {
; CHECK-LABEL: @non_local_load_with_iv_zext(
; CHECK-NEXT: entry:
; CHECK-NEXT: store i32 0, ptr [[PTR:%.*]], align 4
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[VAL:%.*]] = phi i32 [ [[VAL_INC:%.*]], [[LOOP]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[LOOP]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT: [[VAL_INC]] = add i32 [[VAL]], 1
; CHECK-NEXT: store i32 [[VAL_INC]], ptr [[PTR]], align 4
; CHECK-NEXT: [[IV_WIDE:%.*]] = zext i32 [[IV]] to i64
; CHECK-NEXT: call void @foo(i64 [[IV_WIDE]])
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp eq i32 [[IV]], 1000
; CHECK-NEXT: br i1 [[LOOP_COND]], label [[EXIT:%.*]], label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
store i32 0, ptr %ptr
br label %loop
loop:
%iv = phi i32 [ %iv.next, %loop ], [ 0, %entry ]
%val = load i32, ptr %ptr
%val.inc = add i32 %val, 1
store i32 %val.inc, ptr %ptr
%iv.wide = zext i32 %iv to i64
call void @foo(i64 %iv.wide)
%iv.next = add i32 %iv, 1
%loop.cond = icmp eq i32 %iv, 1000
br i1 %loop.cond, label %exit, label %loop
exit:
ret void
}
define void @two_non_local_loads(ptr %ptr1) {
; CHECK-LABEL: @two_non_local_loads(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR2:%.*]] = getelementptr inbounds i32, ptr [[PTR1:%.*]], i64 1
; CHECK-NEXT: store i32 0, ptr [[PTR1]], align 4
; CHECK-NEXT: store i32 0, ptr [[PTR2]], align 4
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[VAL2:%.*]] = phi i32 [ [[VAL2_INC:%.*]], [[LOOP]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[VAL1:%.*]] = phi i32 [ [[VAL1_INC:%.*]], [[LOOP]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[LOOP]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT: [[VAL1_INC]] = add i32 [[VAL1]], 1
; CHECK-NEXT: store i32 [[VAL1_INC]], ptr [[PTR1]], align 4
; CHECK-NEXT: [[VAL2_INC]] = add i32 [[VAL2]], 1
; CHECK-NEXT: store i32 [[VAL2_INC]], ptr [[PTR2]], align 4
; CHECK-NEXT: [[IV_WIDE:%.*]] = zext i32 [[IV]] to i64
; CHECK-NEXT: call void @foo(i64 [[IV_WIDE]])
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp eq i32 [[IV]], 1000
; CHECK-NEXT: br i1 [[LOOP_COND]], label [[EXIT:%.*]], label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%ptr2 = getelementptr inbounds i32, ptr %ptr1, i64 1
store i32 0, ptr %ptr1
store i32 0, ptr %ptr2
br label %loop
loop:
%iv = phi i32 [ %iv.next, %loop ], [ 0, %entry ]
%val1 = load i32, ptr %ptr1
%val1.inc = add i32 %val1, 1
store i32 %val1.inc, ptr %ptr1
%val2 = load i32, ptr %ptr2
%val2.inc = add i32 %val2, 1
store i32 %val2.inc, ptr %ptr2
%iv.wide = zext i32 %iv to i64
call void @foo(i64 %iv.wide)
%iv.next = add i32 %iv, 1
%loop.cond = icmp eq i32 %iv, 1000
br i1 %loop.cond, label %exit, label %loop
exit:
ret void
}
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