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