forked from OSchip/llvm-project
89 lines
2.9 KiB
LLVM
89 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s
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define i8 @foo(i8 %a) {
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; CHECK-LABEL: 'foo'
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; CHECK-NEXT: Classifying expressions for: @foo
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; CHECK-NEXT: %t0 = urem i8 %a, 27
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; CHECK-NEXT: --> ((-27 * (%a /u 27)) + %a) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @foo
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;
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%t0 = urem i8 %a, 27
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ret i8 %t0
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}
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define i8 @bar(i8 %a) {
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; CHECK-LABEL: 'bar'
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; CHECK-NEXT: Classifying expressions for: @bar
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; CHECK-NEXT: %t1 = urem i8 %a, 1
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; CHECK-NEXT: --> 0 U: [0,1) S: [0,1)
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; CHECK-NEXT: Determining loop execution counts for: @bar
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;
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%t1 = urem i8 %a, 1
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ret i8 %t1
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}
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define i8 @baz(i8 %a) {
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; CHECK-LABEL: 'baz'
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; CHECK-NEXT: Classifying expressions for: @baz
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; CHECK-NEXT: %t2 = urem i8 %a, 32
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; CHECK-NEXT: --> (zext i5 (trunc i8 %a to i5) to i8) U: [0,32) S: [0,32)
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; CHECK-NEXT: Determining loop execution counts for: @baz
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;
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%t2 = urem i8 %a, 32
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ret i8 %t2
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}
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define i8 @qux(i8 %a) {
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; CHECK-LABEL: 'qux'
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; CHECK-NEXT: Classifying expressions for: @qux
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; CHECK-NEXT: %t3 = urem i8 %a, 2
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; CHECK-NEXT: --> (zext i1 (trunc i8 %a to i1) to i8) U: [0,2) S: [0,2)
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; CHECK-NEXT: Determining loop execution counts for: @qux
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;
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%t3 = urem i8 %a, 2
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ret i8 %t3
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}
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define i32 @test_and_not(i32 %arg) {
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; CHECK-LABEL: 'test_and_not'
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; CHECK-NEXT: Classifying expressions for: @test_and_not
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; CHECK-NEXT: %andn = and i32 %arg, -8
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; CHECK-NEXT: --> (8 * (%arg /u 8))<nuw> U: [0,-7) S: [-2147483648,2147483641)
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; CHECK-NEXT: Determining loop execution counts for: @test_and_not
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;
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%andn = and i32 %arg, -8
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ret i32 %andn
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}
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define i32 @test_sub_urem(i32 %arg) {
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; CHECK-LABEL: 'test_sub_urem'
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; CHECK-NEXT: Classifying expressions for: @test_sub_urem
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; CHECK-NEXT: %urem = urem i32 %arg, 8
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; CHECK-NEXT: --> (zext i3 (trunc i32 %arg to i3) to i32) U: [0,8) S: [0,8)
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; CHECK-NEXT: %sub = sub i32 %arg, %urem
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; CHECK-NEXT: --> (8 * (%arg /u 8))<nuw> U: [0,-7) S: [-2147483648,2147483641)
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; CHECK-NEXT: Determining loop execution counts for: @test_sub_urem
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;
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%urem = urem i32 %arg, 8
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%sub = sub i32 %arg, %urem
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ret i32 %sub
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}
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define i32 @test_trunc_zext(i32 %arg) {
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; CHECK-LABEL: 'test_trunc_zext'
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; CHECK-NEXT: Classifying expressions for: @test_trunc_zext
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; CHECK-NEXT: %trunc = trunc i32 %arg to i3
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; CHECK-NEXT: --> (trunc i32 %arg to i3) U: full-set S: full-set
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; CHECK-NEXT: %zext = zext i3 %trunc to i32
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; CHECK-NEXT: --> (zext i3 (trunc i32 %arg to i3) to i32) U: [0,8) S: [0,8)
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; CHECK-NEXT: %sub = sub i32 %arg, %zext
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; CHECK-NEXT: --> (8 * (%arg /u 8))<nuw> U: [0,-7) S: [-2147483648,2147483641)
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; CHECK-NEXT: Determining loop execution counts for: @test_trunc_zext
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;
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%trunc = trunc i32 %arg to i3
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%zext = zext i3 %trunc to i32
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%sub = sub i32 %arg, %zext
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ret i32 %sub
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}
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