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; RUN: opt -analyze -scalar-evolution -S < %s | FileCheck %s
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define i16 @test1(i8 %x) {
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%B = sext i12 %A to i16
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; CHECK: zext i8 %x to i16
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define i8 @test2(i8 %x) {
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%A = zext i8 %x to i16
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%C = trunc i16 %B to i8
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define i8 @test3(i8 %x) {
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%A = zext i8 %x to i16
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%C = trunc i16 %B to i8
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define void @test4(i32 %x, i32 %y) {
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%A = phi i32 [0, %entry], [%I, %loop]
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%rand1 = icmp sgt i32 %A, %Y
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%Z1 = select i1 %rand1, i32 %A, i32 %Y
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%rand2 = icmp ugt i32 %A, %Z1
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%Z2 = select i1 %rand2, i32 %A, i32 %Z1
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; CHECK-NEXT: --> ([[EXPR:.*]]){{ U: [^ ]+ S: [^ ]+}}{{ +}}Exits: 20
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%B = trunc i32 %Z2 to i16
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%C = sext i16 %B to i30
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; CHECK-NEXT: (trunc i32 ([[EXPR]]) to i30)
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%D = sext i16 %B to i32
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; CHECK-NEXT: ([[EXPR]])
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%E = sext i16 %B to i34
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; CHECK-NEXT: (zext i32 ([[EXPR]]) to i34)
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%F = zext i16 %B to i30
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; CHECK-NEXT: (trunc i32 ([[EXPR]]) to i30
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%G = zext i16 %B to i32
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; CHECK-NEXT: ([[EXPR]])
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%H = zext i16 %B to i34
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; CHECK-NEXT: (zext i32 ([[EXPR]]) to i34)
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%0 = icmp ne i32 %A, 20
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br i1 %0, label %loop, label %exit
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define void @test5(i32 %i) {
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; CHECK: --> (zext i1 (trunc i32 %i to i1) to i32)
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; CHECK: --> (2 * (zext i1 (trunc i32 (%i /u 2) to i1) to i32))
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; CHECK: --> (zext i6 (trunc i32 %i to i6) to i32)
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; CHECK: --> (2 * (zext i6 (trunc i32 (%i /u 2) to i6) to i32))
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; CHECK: --> (64 * (zext i1 (trunc i32 (%i /u 64) to i1) to i32))
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%F = and i32 %i, -2147483648
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; CHECK: --> (-2147483648 * (%i /u -2147483648))
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define void @test6(i8 %x) {
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%A = zext i8 %x to i16
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%B = shl nuw i16 %A, 8
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%C = and i16 %B, -2048
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; CHECK: --> (2048 * ((zext i8 %x to i16) /u 8))
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define void @test7(i32 %A) {
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%B = sext i32 %A to i64
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%C = zext i32 %A to i64
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%E = trunc i64 %D to i16