[llvm] d70bd7a - Clean up a test case.
via llvm-commits
llvm-commits at lists.llvm.org
Fri Feb 4 12:50:38 PST 2022
Author: minglotus-6
Date: 2022-02-04T12:49:13-08:00
New Revision: d70bd7a14864602a0a57f6155114944badf2ef84
URL: https://github.com/llvm/llvm-project/commit/d70bd7a14864602a0a57f6155114944badf2ef84
DIFF: https://github.com/llvm/llvm-project/commit/d70bd7a14864602a0a57f6155114944badf2ef84.diff
LOG: Clean up a test case.
The test case is added to demonstrate diff before and after patch D114832.
The solution is
Differential Revision: https://reviews.llvm.org/D118846
Added:
Modified:
Removed:
llvm/test/Transforms/SROA/alloca-struct.ll
################################################################################
diff --git a/llvm/test/Transforms/SROA/alloca-struct.ll b/llvm/test/Transforms/SROA/alloca-struct.ll
deleted file mode 100644
index 109d74b6d7023..0000000000000
--- a/llvm/test/Transforms/SROA/alloca-struct.ll
+++ /dev/null
@@ -1,181 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -passes=sroa -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"
-target triple = "x86_64-unknown-linux-gnu"
-
-%struct.RetValIntChar = type { i32, i8 }
-%struct.RetValTwoInts = type { i32, i32 }
-%struct.RetValOneIntTwoChar = type { i32, i8 }
-
-; Tests that a struct of type {i32, i8} is scalarized by SROA.
-; FIXME: SROA should skip scalarization since there is no scalar access.
-; Currently scalarization happens due to the mismatch of allocated size
-; and the actual structure size.
-define i64 @test_struct_of_int_char(i1 zeroext %test, i64 ()* %p) {
-; CHECK-LABEL: @test_struct_of_int_char(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[TEST:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
-; CHECK: if.then:
-; CHECK-NEXT: br label [[RETURN:%.*]]
-; CHECK: if.end:
-; CHECK-NEXT: [[CALL:%.*]] = call i64 [[P:%.*]]()
-; CHECK-NEXT: [[RETVAL_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[CALL]] to i32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[CALL]], 32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RETVAL_SROA_3_0_EXTRACT_SHIFT]] to i8
-; CHECK-NEXT: [[RETVAL_SROA_4_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[CALL]], 40
-; CHECK-NEXT: [[RETVAL_SROA_4_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RETVAL_SROA_4_0_EXTRACT_SHIFT]] to i24
-; CHECK-NEXT: br label [[RETURN]]
-; CHECK: return:
-; CHECK-NEXT: [[RETVAL_SROA_4_SROA_0_0:%.*]] = phi i24 [ undef, [[IF_THEN]] ], [ [[RETVAL_SROA_4_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_3_0:%.*]] = phi i8 [ 0, [[IF_THEN]] ], [ [[RETVAL_SROA_3_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_0_0:%.*]] = phi i32 [ 0, [[IF_THEN]] ], [ [[RETVAL_SROA_0_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_4_0_INSERT_EXT:%.*]] = zext i24 [[RETVAL_SROA_4_SROA_0_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_4_0_INSERT_SHIFT:%.*]] = shl i64 [[RETVAL_SROA_4_0_INSERT_EXT]], 40
-; CHECK-NEXT: [[RETVAL_SROA_4_0_INSERT_MASK:%.*]] = and i64 undef, 1099511627775
-; CHECK-NEXT: [[RETVAL_SROA_4_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_4_0_INSERT_MASK]], [[RETVAL_SROA_4_0_INSERT_SHIFT]]
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_EXT:%.*]] = zext i8 [[RETVAL_SROA_3_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_SHIFT:%.*]] = shl i64 [[RETVAL_SROA_3_0_INSERT_EXT]], 32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_MASK:%.*]] = and i64 [[RETVAL_SROA_4_0_INSERT_INSERT]], -1095216660481
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_3_0_INSERT_MASK]], [[RETVAL_SROA_3_0_INSERT_SHIFT]]
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT:%.*]] = zext i32 [[RETVAL_SROA_0_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_MASK:%.*]] = and i64 [[RETVAL_SROA_3_0_INSERT_INSERT]], -4294967296
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_0_0_INSERT_MASK]], [[RETVAL_SROA_0_0_INSERT_EXT]]
-; CHECK-NEXT: ret i64 [[RETVAL_SROA_0_0_INSERT_INSERT]]
-;
-entry:
- %retval = alloca %struct.RetValIntChar, align 4
- br i1 %test, label %if.then, label %if.end
-
-if.then: ; preds = %entry
- %x = getelementptr inbounds %struct.RetValIntChar, %struct.RetValIntChar* %retval, i32 0, i32 0
- store i32 0, i32* %x, align 4
- %y = getelementptr inbounds %struct.RetValIntChar, %struct.RetValIntChar* %retval, i32 0, i32 1
- store i8 0, i8* %y, align 4
- br label %return
-
-if.end: ; preds = %entry
- %call = call i64 %p()
- %0 = bitcast %struct.RetValIntChar* %retval to i64*
- store i64 %call, i64* %0, align 4
- br label %return
-
-return: ; preds = %if.end, %if.then
- %1 = bitcast %struct.RetValIntChar* %retval to i64*
- %2 = load i64, i64* %1, align 4
- ret i64 %2
-}
-
-; Test that the alloca of struct{int, int} will be scalarized by SROA.
-define i64 @test_struct_of_two_int(i1 zeroext %test, i64 ()* %p) {
-; CHECK-LABEL: @test_struct_of_two_int(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[TEST:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
-; CHECK: if.then:
-; CHECK-NEXT: br label [[RETURN:%.*]]
-; CHECK: if.end:
-; CHECK-NEXT: [[CALL:%.*]] = call i64 [[P:%.*]]()
-; CHECK-NEXT: [[RETVAL_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[CALL]] to i32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[CALL]], 32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RETVAL_SROA_3_0_EXTRACT_SHIFT]] to i32
-; CHECK-NEXT: br label [[RETURN]]
-; CHECK: return:
-; CHECK-NEXT: [[RETVAL_SROA_3_0:%.*]] = phi i32 [ 0, [[IF_THEN]] ], [ [[RETVAL_SROA_3_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_0_0:%.*]] = phi i32 [ 0, [[IF_THEN]] ], [ [[RETVAL_SROA_0_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_EXT:%.*]] = zext i32 [[RETVAL_SROA_3_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_SHIFT:%.*]] = shl i64 [[RETVAL_SROA_3_0_INSERT_EXT]], 32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_MASK:%.*]] = and i64 undef, 4294967295
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_3_0_INSERT_MASK]], [[RETVAL_SROA_3_0_INSERT_SHIFT]]
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT:%.*]] = zext i32 [[RETVAL_SROA_0_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_MASK:%.*]] = and i64 [[RETVAL_SROA_3_0_INSERT_INSERT]], -4294967296
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_0_0_INSERT_MASK]], [[RETVAL_SROA_0_0_INSERT_EXT]]
-; CHECK-NEXT: ret i64 [[RETVAL_SROA_0_0_INSERT_INSERT]]
-;
-
-entry:
- %retval = alloca %struct.RetValTwoInts, align 4
- br i1 %test, label %if.then, label %if.end
-
-if.then: ; preds = %entry
- %x = getelementptr inbounds %struct.RetValTwoInts, %struct.RetValTwoInts* %retval, i32 0, i32 0
- store i32 0, i32* %x, align 4
- %y = getelementptr inbounds %struct.RetValTwoInts, %struct.RetValTwoInts* %retval, i32 0, i32 1
- store i32 0, i32* %y, align 4
- br label %return
-
-if.end: ; preds = %entry
- %call = call i64 %p()
- %0 = bitcast %struct.RetValTwoInts* %retval to i64*
- store i64 %call, i64* %0, align 4
- br label %return
-
-return: ; preds = %if.end, %if.then
- %1 = bitcast %struct.RetValTwoInts* %retval to i64*
- %2 = load i64, i64* %1, align 4
- ret i64 %2
-}
-
-; Tests that allocated struct type is scalarized when non-constant values are
-; stored into its fields.
-define i64 @test_one_field_has_runtime_value(i1 zeroext %test, i64 ()* %p) {
-; CHECK-LABEL: @test_one_field_has_runtime_value(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CALL:%.*]] = call i64 @time(i64* null)
-; CHECK-NEXT: [[CONV:%.*]] = trunc i64 [[CALL]] to i32
-; CHECK-NEXT: call void @srand(i32 [[CONV]])
-; CHECK-NEXT: br i1 [[TEST:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
-; CHECK: if.then:
-; CHECK-NEXT: [[CALL1:%.*]] = call i32 @rand()
-; CHECK-NEXT: br label [[RETURN:%.*]]
-; CHECK: if.end:
-; CHECK-NEXT: [[CALL2:%.*]] = call i64 [[P:%.*]]()
-; CHECK-NEXT: [[RETVAL_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[CALL2]] to i32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[CALL2]], 32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RETVAL_SROA_3_0_EXTRACT_SHIFT]] to i32
-; CHECK-NEXT: br label [[RETURN]]
-; CHECK: return:
-; CHECK-NEXT: [[RETVAL_SROA_3_0:%.*]] = phi i32 [ 1, [[IF_THEN]] ], [ [[RETVAL_SROA_3_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_0_0:%.*]] = phi i32 [ [[CALL1]], [[IF_THEN]] ], [ [[RETVAL_SROA_0_0_EXTRACT_TRUNC]], [[IF_END]] ]
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_EXT:%.*]] = zext i32 [[RETVAL_SROA_3_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_SHIFT:%.*]] = shl i64 [[RETVAL_SROA_3_0_INSERT_EXT]], 32
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_MASK:%.*]] = and i64 undef, 4294967295
-; CHECK-NEXT: [[RETVAL_SROA_3_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_3_0_INSERT_MASK]], [[RETVAL_SROA_3_0_INSERT_SHIFT]]
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT:%.*]] = zext i32 [[RETVAL_SROA_0_0]] to i64
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_MASK:%.*]] = and i64 [[RETVAL_SROA_3_0_INSERT_INSERT]], -4294967296
-; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT:%.*]] = or i64 [[RETVAL_SROA_0_0_INSERT_MASK]], [[RETVAL_SROA_0_0_INSERT_EXT]]
-; CHECK-NEXT: ret i64 [[RETVAL_SROA_0_0_INSERT_INSERT]]
-;
-entry:
- %retval = alloca %struct.RetValTwoInts, align 4
- %call = call i64 @time(i64* null)
- %conv = trunc i64 %call to i32
- call void @srand(i32 %conv)
- br i1 %test, label %if.then, label %if.end
-
-if.then: ; preds = %entry
- %x = getelementptr inbounds %struct.RetValTwoInts, %struct.RetValTwoInts* %retval, i32 0, i32 0
- %call1 = call i32 @rand()
- store i32 %call1, i32* %x, align 4
- %y = getelementptr inbounds %struct.RetValTwoInts, %struct.RetValTwoInts* %retval, i32 0, i32 1
- store i32 1, i32* %y, align 4
- br label %return
-
-if.end: ; preds = %entry
- %call2 = call i64 %p()
- %0 = bitcast %struct.RetValTwoInts* %retval to i64*
- store i64 %call2, i64* %0, align 4
- br label %return
-
-return: ; preds = %if.end, %if.then
- %1 = bitcast %struct.RetValTwoInts* %retval to i64*
- %2 = load i64, i64* %1, align 4
- ret i64 %2
-}
-
-; Function Attrs: nounwind
-declare void @srand(i32)
-
-; Function Attrs: nounwind
-declare i64 @time(i64*)
-
-; Function Attrs: nounwind
-declare i32 @rand()
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