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8ee9d51790
We should use AAValueSimplify for all value simplification, however there was some leftover logic that predates AAValueSimplify in AAReturnedValues. This remove the AAReturnedValues part and provides a replacement by making AAValueSimplifyReturned strong enough to handle all previously covered cases. Further, this improve AAValueSimplifyCallSiteReturned to handle returned arguments. AAReturnedValues is now much easier and the collected returned values/instructions are now from the associated function only, making it much more sane. We also do not have the brittle logic anymore that looks for unresolved calls. Instead, we use AAValueSimplify to handle recursion. Useful code has been split into helper functions, e.g., an Attributor interface to get a simplified value. Differential Revision: https://reviews.llvm.org/D103860
167 lines
6.6 KiB
LLVM
167 lines
6.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes --check-globals
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; call site specific analysis is disabled
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; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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define dso_local i32 @test_range1(i32 %0) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test_range1
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; CHECK-SAME: (i32 [[TMP0:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i32 [[TMP0]], 0
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; CHECK-NEXT: br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
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; CHECK: 3:
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; CHECK-NEXT: br label [[TMP5:%.*]]
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; CHECK: 4:
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; CHECK-NEXT: br label [[TMP5]]
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; CHECK: 5:
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; CHECK-NEXT: [[DOT0:%.*]] = phi i32 [ 100, [[TMP3]] ], [ 0, [[TMP4]] ]
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; CHECK-NEXT: ret i32 [[DOT0]]
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;
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%2 = icmp ne i32 %0, 0
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br i1 %2, label %3, label %4
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3: ; preds = %1
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br label %5
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4: ; preds = %1
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br label %5
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5: ; preds = %4, %3
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%.0 = phi i32 [ 100, %3 ], [ 0, %4 ]
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ret i32 %.0
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}
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define i32 @test_range2(i32 %0) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test_range2
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; CHECK-SAME: (i32 [[TMP0:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i32 [[TMP0]], 0
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; CHECK-NEXT: br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
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; CHECK: 3:
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; CHECK-NEXT: br label [[TMP5:%.*]]
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; CHECK: 4:
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; CHECK-NEXT: br label [[TMP5]]
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; CHECK: 5:
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; CHECK-NEXT: [[DOT0:%.*]] = phi i32 [ 100, [[TMP3]] ], [ 200, [[TMP4]] ]
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; CHECK-NEXT: ret i32 [[DOT0]]
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;
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%2 = icmp ne i32 %0, 0
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br i1 %2, label %3, label %4
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3: ; preds = %1
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br label %5
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4: ; preds = %1
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br label %5
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5: ; preds = %4, %3
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%.0 = phi i32 [ 100, %3 ], [ 200, %4 ]
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ret i32 %.0
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}
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define i32 @test(i32 %0, i32 %1) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test
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; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[TMP3:%.*]] = icmp ne i32 [[TMP1]], 0
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; CHECK-NEXT: br i1 [[TMP3]], label [[TMP4:%.*]], label [[TMP6:%.*]]
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; CHECK: 4:
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; CHECK-NEXT: [[TMP5:%.*]] = call noundef i32 @test_range1(i32 [[TMP0]]) #[[ATTR1:[0-9]+]], !range [[RNG0:![0-9]+]]
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; CHECK-NEXT: br label [[TMP8:%.*]]
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; CHECK: 6:
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; CHECK-NEXT: [[TMP7:%.*]] = call noundef i32 @test_range2(i32 [[TMP0]]) #[[ATTR1]], !range [[RNG1:![0-9]+]]
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; CHECK-NEXT: br label [[TMP8]]
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; CHECK: 8:
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; CHECK-NEXT: [[DOT0:%.*]] = phi i32 [ [[TMP5]], [[TMP4]] ], [ [[TMP7]], [[TMP6]] ]
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; CHECK-NEXT: ret i32 [[DOT0]]
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;
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%3 = icmp ne i32 %1, 0
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br i1 %3, label %4, label %6
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4: ; preds = %2
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%5 = call i32 @test_range1(i32 %0)
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br label %8
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6: ; preds = %2
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%7 = call i32 @test_range2(i32 %0)
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br label %8
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8: ; preds = %6, %4
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%.0 = phi i32 [ %5, %4 ], [ %7, %6 ]
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ret i32 %.0
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}
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define i32 @test_pcheck1(i32 %0) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test_pcheck1
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; CHECK-SAME: (i32 [[TMP0:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @test(i32 [[TMP0]], i32 noundef 1) #[[ATTR1]], !range [[RNG2:![0-9]+]]
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; CHECK-NEXT: [[TMP3:%.*]] = icmp slt i32 [[TMP2]], 101
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; CHECK-NEXT: [[TMP4:%.*]] = zext i1 [[TMP3]] to i32
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; CHECK-NEXT: ret i32 [[TMP4]]
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;
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%2 = call i32 @test(i32 %0, i32 1)
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%3 = icmp slt i32 %2, 101
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%4 = zext i1 %3 to i32
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ret i32 %4
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}
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define i32 @test_pcheck2(i32 %0) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test_pcheck2
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; CHECK-SAME: (i32 [[TMP0:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @test(i32 [[TMP0]], i32 noundef 0) #[[ATTR1]], !range [[RNG2]]
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; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt i32 [[TMP2]], 99
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; CHECK-NEXT: [[TMP4:%.*]] = zext i1 [[TMP3]] to i32
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; CHECK-NEXT: ret i32 [[TMP4]]
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;
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%2 = call i32 @test(i32 %0, i32 0)
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%3 = icmp sgt i32 %2, 99
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%4 = zext i1 %3 to i32
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ret i32 %4
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}
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define i32 @test_ncheck1(i32 %0) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test_ncheck1
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; CHECK-SAME: (i32 [[TMP0:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @test(i32 [[TMP0]], i32 noundef 1) #[[ATTR1]], !range [[RNG2]]
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; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt i32 [[TMP2]], 50
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; CHECK-NEXT: [[TMP4:%.*]] = zext i1 [[TMP3]] to i32
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; CHECK-NEXT: ret i32 [[TMP4]]
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;
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%2 = call i32 @test(i32 %0, i32 1)
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%3 = icmp sgt i32 %2, 50
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%4 = zext i1 %3 to i32
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ret i32 %4
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}
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define i32 @test_ncheck2(i32 %0) #0 {
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; CHECK-LABEL: define {{[^@]+}}@test_ncheck2
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; CHECK-SAME: (i32 [[TMP0:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @test(i32 [[TMP0]], i32 noundef 0) #[[ATTR1]], !range [[RNG2]]
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; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt i32 [[TMP2]], 150
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; CHECK-NEXT: [[TMP4:%.*]] = zext i1 [[TMP3]] to i32
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; CHECK-NEXT: ret i32 [[TMP4]]
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;
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%2 = call i32 @test(i32 %0, i32 0)
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%3 = icmp sgt i32 %2, 150
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%4 = zext i1 %3 to i32
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ret i32 %4
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}
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attributes #0 = { noinline nounwind sspstrong uwtable}
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; IS__TUNIT_____: !0 = !{i32 0, i32 101}
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; IS__TUNIT_____: !1 = !{i32 100, i32 201}
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;.
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; IS__TUNIT____: attributes #[[ATTR0]] = { nofree noinline nosync nounwind readnone sspstrong uwtable willreturn }
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; IS__TUNIT____: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
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;.
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; IS__CGSCC____: attributes #[[ATTR0]] = { nofree noinline norecurse nosync nounwind readnone sspstrong uwtable willreturn }
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; IS__CGSCC____: attributes #[[ATTR1]] = { readnone willreturn }
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;.
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; CHECK: [[RNG0]] = !{i32 0, i32 101}
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; CHECK: [[RNG1]] = !{i32 100, i32 201}
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; CHECK: [[RNG2]] = !{i32 0, i32 201}
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;.
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