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[SCCP] Add load/store test for integer ranges.
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | ||
; RUN: opt < %s -ipsccp -S | FileCheck %s | ||
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declare void @use(i1) | ||
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@G = internal global i32 0 | ||
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define void @test1a() { | ||
; CHECK-LABEL: @test1a( | ||
; CHECK-NEXT: [[X:%.*]] = load i32, i32* @G | ||
; CHECK-NEXT: [[T_1:%.*]] = icmp ne i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[T_1]]) | ||
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[T_2]]) | ||
; CHECK-NEXT: [[F_1:%.*]] = icmp eq i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[F_1]]) | ||
; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i32 [[X]], 123 | ||
; CHECK-NEXT: call void @use(i1 [[F_2]]) | ||
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[X]], 20 | ||
; CHECK-NEXT: call void @use(i1 [[C_1]]) | ||
; CHECK-NEXT: ret void | ||
; | ||
%X = load i32, i32* @G | ||
%t.1 = icmp ne i32 %X, 124 | ||
call void @use(i1 %t.1) | ||
%t.2 = icmp ult i32 %X, 124 | ||
call void @use(i1 %t.2) | ||
%f.1 = icmp eq i32 %X, 124 | ||
call void @use(i1 %f.1) | ||
%f.2 = icmp ugt i32 %X, 123 | ||
call void @use(i1 %f.2) | ||
%c.1 = icmp eq i32 %X, 20 | ||
call void @use(i1 %c.1) | ||
ret void | ||
} | ||
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define void @test1b(i1 %c) { | ||
; CHECK-LABEL: @test1b( | ||
; CHECK-NEXT: br i1 [[C:%.*]], label [[T:%.*]], label [[F:%.*]] | ||
; CHECK: T: | ||
; CHECK-NEXT: store i32 17, i32* @G | ||
; CHECK-NEXT: ret void | ||
; CHECK: F: | ||
; CHECK-NEXT: store i32 123, i32* @G | ||
; CHECK-NEXT: ret void | ||
; | ||
br i1 %c, label %T, label %F | ||
T: | ||
store i32 17, i32* @G | ||
ret void | ||
F: | ||
store i32 123, i32* @G | ||
ret void | ||
} | ||
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@H = internal global i32 0 | ||
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define void @test2a() { | ||
; CHECK-LABEL: @test2a( | ||
; CHECK-NEXT: [[X:%.*]] = load i32, i32* @H | ||
; CHECK-NEXT: [[T_1:%.*]] = icmp ne i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[T_1]]) | ||
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[T_2]]) | ||
; CHECK-NEXT: [[F_1:%.*]] = icmp eq i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[F_1]]) | ||
; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i32 [[X]], 123 | ||
; CHECK-NEXT: call void @use(i1 [[F_2]]) | ||
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[X]], 20 | ||
; CHECK-NEXT: call void @use(i1 [[C_1]]) | ||
; CHECK-NEXT: ret void | ||
; | ||
%X = load i32, i32* @H | ||
%t.1 = icmp ne i32 %X, 124 | ||
call void @use(i1 %t.1) | ||
%t.2 = icmp ult i32 %X, 124 | ||
call void @use(i1 %t.2) | ||
%f.1 = icmp eq i32 %X, 124 | ||
call void @use(i1 %f.1) | ||
%f.2 = icmp ugt i32 %X, 123 | ||
call void @use(i1 %f.2) | ||
%c.1 = icmp eq i32 %X, 20 | ||
call void @use(i1 %c.1) | ||
ret void | ||
} | ||
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define void @test2b(i1 %c.1, i1 %c.2) { | ||
; CHECK-LABEL: @test2b( | ||
; CHECK-NEXT: br i1 [[C_1:%.*]], label [[T:%.*]], label [[F:%.*]] | ||
; CHECK: T: | ||
; CHECK-NEXT: br i1 [[C_2:%.*]], label [[T_1:%.*]], label [[F_1:%.*]] | ||
; CHECK: T.1: | ||
; CHECK-NEXT: store i32 17, i32* @H | ||
; CHECK-NEXT: ret void | ||
; CHECK: F.1: | ||
; CHECK-NEXT: store i32 20, i32* @H | ||
; CHECK-NEXT: ret void | ||
; CHECK: F: | ||
; CHECK-NEXT: store i32 123, i32* @H | ||
; CHECK-NEXT: ret void | ||
; | ||
br i1 %c.1, label %T, label %F | ||
T: | ||
br i1 %c.2, label %T.1, label %F.1 | ||
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T.1: | ||
store i32 17, i32* @H | ||
ret void | ||
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F.1: | ||
store i32 20, i32* @H | ||
ret void | ||
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F: | ||
store i32 123, i32* @H | ||
ret void | ||
} | ||
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@I = internal global i32 0 | ||
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define void @test3a() { | ||
; CHECK-LABEL: @test3a( | ||
; CHECK-NEXT: [[X:%.*]] = load i32, i32* @I | ||
; CHECK-NEXT: [[T_1:%.*]] = icmp ne i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[T_1]]) | ||
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[T_2]]) | ||
; CHECK-NEXT: [[F_1:%.*]] = icmp eq i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[F_1]]) | ||
; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i32 [[X]], 123 | ||
; CHECK-NEXT: call void @use(i1 [[F_2]]) | ||
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[X]], 20 | ||
; CHECK-NEXT: call void @use(i1 [[C_1]]) | ||
; CHECK-NEXT: ret void | ||
; | ||
%X = load i32, i32* @I | ||
%t.1 = icmp ne i32 %X, 124 | ||
call void @use(i1 %t.1) | ||
%t.2 = icmp ult i32 %X, 124 | ||
call void @use(i1 %t.2) | ||
%f.1 = icmp eq i32 %X, 124 | ||
call void @use(i1 %f.1) | ||
%f.2 = icmp ugt i32 %X, 123 | ||
call void @use(i1 %f.2) | ||
%c.1 = icmp eq i32 %X, 20 | ||
call void @use(i1 %c.1) | ||
ret void | ||
} | ||
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define void @test3b(i1 %c.1, i1 %c.2) { | ||
; CHECK-LABEL: @test3b( | ||
; CHECK-NEXT: br i1 [[C_1:%.*]], label [[T:%.*]], label [[F:%.*]] | ||
; CHECK: T: | ||
; CHECK-NEXT: br label [[EXIT:%.*]] | ||
; CHECK: F: | ||
; CHECK-NEXT: br label [[EXIT]] | ||
; CHECK: exit: | ||
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 17, [[T]] ], [ 123, [[F]] ] | ||
; CHECK-NEXT: store i32 [[P]], i32* @I | ||
; CHECK-NEXT: ret void | ||
; | ||
br i1 %c.1, label %T, label %F | ||
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T: | ||
br label %exit | ||
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F: | ||
br label %exit | ||
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exit: | ||
%p = phi i32 [ 17, %T ], [ 123, %F ] | ||
store i32 %p, i32* @I | ||
ret void | ||
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} | ||
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; Make sure stored values are correctly updated to overdefined. | ||
@J = internal global i32 0 | ||
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define void @test4a() { | ||
; CHECK-LABEL: @test4a( | ||
; CHECK-NEXT: [[X:%.*]] = load i32, i32* @J | ||
; CHECK-NEXT: [[C_1:%.*]] = icmp ne i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[C_1]]) | ||
; CHECK-NEXT: [[C_2:%.*]] = icmp ult i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[C_2]]) | ||
; CHECK-NEXT: [[C_3:%.*]] = icmp eq i32 [[X]], 124 | ||
; CHECK-NEXT: call void @use(i1 [[C_3]]) | ||
; CHECK-NEXT: [[C_4:%.*]] = icmp ugt i32 [[X]], 123 | ||
; CHECK-NEXT: call void @use(i1 [[C_4]]) | ||
; CHECK-NEXT: [[C_5:%.*]] = icmp eq i32 [[X]], 20 | ||
; CHECK-NEXT: call void @use(i1 [[C_5]]) | ||
; CHECK-NEXT: ret void | ||
; | ||
%X = load i32, i32* @J | ||
%c.1 = icmp ne i32 %X, 124 | ||
call void @use(i1 %c.1) | ||
%c.2 = icmp ult i32 %X, 124 | ||
call void @use(i1 %c.2) | ||
%c.3 = icmp eq i32 %X, 124 | ||
call void @use(i1 %c.3) | ||
%c.4 = icmp ugt i32 %X, 123 | ||
call void @use(i1 %c.4) | ||
%c.5 = icmp eq i32 %X, 20 | ||
call void @use(i1 %c.5) | ||
ret void | ||
} | ||
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define void @test4b(i1 %c.1, i1 %c.2, i32 %x) { | ||
; CHECK-LABEL: @test4b( | ||
; CHECK-NEXT: br i1 [[C_1:%.*]], label [[T:%.*]], label [[F:%.*]] | ||
; CHECK: T: | ||
; CHECK-NEXT: br i1 [[C_2:%.*]], label [[T_1:%.*]], label [[F_1:%.*]] | ||
; CHECK: T.1: | ||
; CHECK-NEXT: br label [[EXIT:%.*]] | ||
; CHECK: F.1: | ||
; CHECK-NEXT: br label [[EXIT]] | ||
; CHECK: F: | ||
; CHECK-NEXT: br label [[EXIT]] | ||
; CHECK: exit: | ||
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 17, [[T_1]] ], [ [[X:%.*]], [[F_1]] ], [ 123, [[F]] ] | ||
; CHECK-NEXT: store i32 [[P]], i32* @J | ||
; CHECK-NEXT: ret void | ||
; | ||
br i1 %c.1, label %T, label %F | ||
T: | ||
br i1 %c.2, label %T.1, label %F.1 | ||
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T.1: | ||
br label %exit | ||
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F.1: | ||
br label %exit | ||
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F: | ||
br label %exit | ||
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exit: | ||
%p = phi i32 [ 17, %T.1 ], [ %x, %F.1 ], [ 123, %F ] | ||
store i32 %p, i32* @J | ||
ret void | ||
} | ||
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; Same as test1, but storing 4 different values. | ||
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@K = internal global i32 0 | ||
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define void @test5a() { | ||
; CHECK-LABEL: @test5a( | ||
; CHECK-NEXT: [[X:%.*]] = load i32, i32* @K | ||
; CHECK-NEXT: [[T_1:%.*]] = icmp ne i32 [[X]], 499 | ||
; CHECK-NEXT: call void @use(i1 [[T_1]]) | ||
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i32 [[X]], 600 | ||
; CHECK-NEXT: call void @use(i1 [[T_2]]) | ||
; CHECK-NEXT: [[F_1:%.*]] = icmp eq i32 [[X]], 600 | ||
; CHECK-NEXT: call void @use(i1 [[F_1]]) | ||
; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i32 [[X]], 600 | ||
; CHECK-NEXT: call void @use(i1 [[F_2]]) | ||
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[X]], 510 | ||
; CHECK-NEXT: call void @use(i1 [[C_1]]) | ||
; CHECK-NEXT: ret void | ||
; | ||
%X = load i32, i32* @K | ||
%t.1 = icmp ne i32 %X, 499 | ||
call void @use(i1 %t.1) | ||
%t.2 = icmp ult i32 %X, 600 | ||
call void @use(i1 %t.2) | ||
%f.1 = icmp eq i32 %X, 600 | ||
call void @use(i1 %f.1) | ||
%f.2 = icmp ugt i32 %X, 600 | ||
call void @use(i1 %f.2) | ||
%c.1 = icmp eq i32 %X, 510 | ||
call void @use(i1 %c.1) | ||
ret void | ||
} | ||
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define void @test5b(i1 %c.1, i1 %c.2) { | ||
; CHECK-LABEL: @test5b( | ||
; CHECK-NEXT: br i1 [[C_1:%.*]], label [[T_1:%.*]], label [[F_1:%.*]] | ||
; CHECK: T.1: | ||
; CHECK-NEXT: br i1 [[C_2:%.*]], label [[T_2:%.*]], label [[F_2:%.*]] | ||
; CHECK: T.2: | ||
; CHECK-NEXT: store i32 500, i32* @K | ||
; CHECK-NEXT: ret void | ||
; CHECK: F.2: | ||
; CHECK-NEXT: store i32 510, i32* @K | ||
; CHECK-NEXT: ret void | ||
; CHECK: F.1: | ||
; CHECK-NEXT: br i1 [[C_2]], label [[T_3:%.*]], label [[F_3:%.*]] | ||
; CHECK: T.3: | ||
; CHECK-NEXT: store i32 520, i32* @K | ||
; CHECK-NEXT: ret void | ||
; CHECK: F.3: | ||
; CHECK-NEXT: store i32 530, i32* @K | ||
; CHECK-NEXT: ret void | ||
; | ||
br i1 %c.1, label %T.1, label %F.1 | ||
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T.1: | ||
br i1 %c.2, label %T.2, label %F.2 | ||
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T.2: | ||
store i32 500, i32* @K | ||
ret void | ||
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F.2: | ||
store i32 510, i32* @K | ||
ret void | ||
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F.1: | ||
br i1 %c.2, label %T.3, label %F.3 | ||
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T.3: | ||
store i32 520, i32* @K | ||
ret void | ||
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F.3: | ||
store i32 530, i32* @K | ||
ret void | ||
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} |