[llvm] 5c39ec7 - [GlobalOpt] Add test with large number of stores with non-null loads.

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 21 05:01:32 PST 2023


Author: Florian Hahn
Date: 2023-02-21T13:01:10Z
New Revision: 5c39ec73efb50f0f673b48565d3901395d2bba96

URL: https://github.com/llvm/llvm-project/commit/5c39ec73efb50f0f673b48565d3901395d2bba96
DIFF: https://github.com/llvm/llvm-project/commit/5c39ec73efb50f0f673b48565d3901395d2bba96.diff

LOG: [GlobalOpt] Add test with large number of stores with non-null loads.

Added: 
    llvm/test/Transforms/GlobalOpt/sra-many-stores-once.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/GlobalOpt/sra-many-stores-once.ll b/llvm/test/Transforms/GlobalOpt/sra-many-stores-once.ll
new file mode 100644
index 000000000000..7015bfced340
--- /dev/null
+++ b/llvm/test/Transforms/GlobalOpt/sra-many-stores-once.ll
@@ -0,0 +1,136 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
+; RUN: opt -passes=globalopt -S %s | FileCheck %s
+
+target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+%struct.20ptr = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
+ at global.20ptr = internal global %struct.20ptr zeroinitializer
+
+declare i32 @fn0()
+declare i32 @fn1()
+declare i32 @fn2()
+declare i32 @fn3()
+
+;.
+; CHECK: @[[GLOBAL_20PTR:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global [[STRUCT_20PTR:%.*]] zeroinitializer
+;.
+
+; FIXME: The loads from @global.20ptr cannot load null, as the loaded value are
+; used as called operands. The loads and stores can be removed.
+define void @test_stored_once_call_with_nullptr_ub() {
+; CHECK-LABEL: @test_stored_once_call_with_nullptr_ub(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    store ptr @fn0, ptr @global.20ptr, align 8
+; CHECK-NEXT:    store ptr @fn1, ptr @global.20ptr, align 8
+; CHECK-NEXT:    store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR:%.*]], ptr @global.20ptr, i64 0, i32 1), align 8
+; CHECK-NEXT:    store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 2), align 8
+; CHECK-NEXT:    store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 3), align 8
+; CHECK-NEXT:    store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 4), align 8
+; CHECK-NEXT:    store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 5), align 8
+; CHECK-NEXT:    store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 6), align 8
+; CHECK-NEXT:    store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 7), align 8
+; CHECK-NEXT:    store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 8), align 8
+; CHECK-NEXT:    store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 9), align 8
+; CHECK-NEXT:    store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 10), align 8
+; CHECK-NEXT:    store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 11), align 8
+; CHECK-NEXT:    store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 12), align 8
+; CHECK-NEXT:    store ptr @fn2, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 13), align 8
+; CHECK-NEXT:    store ptr @fn3, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 14), align 8
+; CHECK-NEXT:    store ptr @fn0, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 15), align 8
+; CHECK-NEXT:    store ptr @fn1, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 16), align 8
+; CHECK-NEXT:    [[L0:%.*]] = load ptr, ptr @global.20ptr, align 8
+; CHECK-NEXT:    call void [[L0]]()
+; CHECK-NEXT:    [[L1:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 1), align 8
+; CHECK-NEXT:    call void [[L1]]()
+; CHECK-NEXT:    [[L2:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 2), align 8
+; CHECK-NEXT:    call void [[L2]]()
+; CHECK-NEXT:    [[L3:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 3), align 8
+; CHECK-NEXT:    call void [[L3]]()
+; CHECK-NEXT:    [[L4:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 4), align 8
+; CHECK-NEXT:    call void [[L4]]()
+; CHECK-NEXT:    [[L5:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 5), align 8
+; CHECK-NEXT:    call void [[L5]]()
+; CHECK-NEXT:    [[L6:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 6), align 8
+; CHECK-NEXT:    call void [[L6]]()
+; CHECK-NEXT:    [[L7:%.*]] = load ptr, ptr @global.20ptr, align 8
+; CHECK-NEXT:    call void [[L7]]()
+; CHECK-NEXT:    [[L8:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 7), align 8
+; CHECK-NEXT:    call void [[L8]]()
+; CHECK-NEXT:    [[L9:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 8), align 8
+; CHECK-NEXT:    call void [[L9]]()
+; CHECK-NEXT:    [[L10:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 9), align 8
+; CHECK-NEXT:    call void [[L10]]()
+; CHECK-NEXT:    [[L11:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 10), align 8
+; CHECK-NEXT:    call void [[L11]]()
+; CHECK-NEXT:    [[L12:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 11), align 8
+; CHECK-NEXT:    call void [[L12]]()
+; CHECK-NEXT:    [[L13:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 12), align 8
+; CHECK-NEXT:    call void [[L13]]()
+; CHECK-NEXT:    [[L14:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 13), align 8
+; CHECK-NEXT:    call void [[L14]]()
+; CHECK-NEXT:    [[L15:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 14), align 8
+; CHECK-NEXT:    call void [[L15]]()
+; CHECK-NEXT:    [[L16:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 15), align 8
+; CHECK-NEXT:    call void [[L16]]()
+; CHECK-NEXT:    [[L17:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_20PTR]], ptr @global.20ptr, i64 0, i32 16), align 8
+; CHECK-NEXT:    call void [[L17]]()
+; CHECK-NEXT:    ret void
+;
+entry:
+  store ptr @fn0, ptr @global.20ptr, align 8
+  store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 0), align 8
+  store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 1), align 8
+  store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 2), align 8
+  store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 3), align 8
+  store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 4), align 8
+  store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 5), align 8
+  store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 6), align 8
+  store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 7), align 8
+  store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 8), align 8
+  store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 9), align 8
+  store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 10), align 8
+  store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 11), align 8
+  store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 12), align 8
+  store ptr @fn2, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 13), align 8
+  store ptr @fn3, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 14), align 8
+  store ptr @fn0, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 15), align 8
+  store ptr @fn1, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 16), align 8
+
+  %l0 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 0), align 8
+  call void %l0()
+  %l1 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 1), align 8
+  call void %l1()
+  %l2 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 2), align 8
+  call void %l2()
+  %l3 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 3), align 8
+  call void %l3()
+  %l4 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 4), align 8
+  call void %l4()
+  %l5 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 5), align 8
+  call void %l5()
+  %l6 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 6), align 8
+  call void %l6()
+  %l7 = load ptr, ptr @global.20ptr, align 8
+  call void %l7()
+  %l8 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 7), align 8
+  call void %l8()
+  %l9 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 8), align 8
+  call void %l9()
+  %l10 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 9), align 8
+  call void %l10()
+  %l11 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 10), align 8
+  call void %l11()
+  %l12 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 11), align 8
+  call void %l12()
+  %l13 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 12), align 8
+  call void %l13()
+  %l14 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 13), align 8
+  call void %l14()
+  %l15 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 14), align 8
+  call void %l15()
+  %l16 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 15), align 8
+  call void %l16()
+  %l17 = load ptr, ptr getelementptr inbounds (%struct.20ptr, ptr @global.20ptr, i64 0, i32 16), align 8
+  call void %l17()
+  ret void
+}


        


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