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; RUN: opt -analyze -scalar-evolution -S < %s | FileCheck %s
define i64 @test1(i32 %a, i32 %b) {
; CHECK-LABEL: @test1
%div = udiv i32 %a, %b
%zext = zext i32 %div to i64
; CHECK: %zext
; CHECK-NEXT: --> ((zext i32 %a to i64) /u (zext i32 %b to i64))
ret i64 %zext
}
define i64 @test2(i32 %a, i32 %b) {
; CHECK-LABEL: @test2
%rem = urem i32 %a, %b
%zext = zext i32 %rem to i64
; CHECK: %zext
; CHECK-NEXT: --> ((zext i32 %a to i64) + (-1 * (zext i32 %b to i64) * ((zext i32 %a to i64) /u (zext i32 %b to i64))))
ret i64 %zext
}
define i64 @test3(i32 %a, i32 %b) {
; CHECK-LABEL: @test3
%div = udiv i32 %a, %b
%mul = mul i32 %div, %b
%sub = sub i32 %a, %mul
%zext = zext i32 %sub to i64
; CHECK: %zext
; CHECK-NEXT: --> ((zext i32 %a to i64) + (-1 * (zext i32 %b to i64) * ((zext i32 %a to i64) /u (zext i32 %b to i64))))
ret i64 %zext
}
define i64 @test4(i32 %t) {
; CHECK-LABEL: @test4
%a = udiv i32 %t, 2
%div = udiv i32 %t, 112
%mul = mul i32 %div, 56
%sub = sub i32 %a, %mul
%zext = zext i32 %sub to i64
; CHECK: %zext
; CHECK-NEXT: --> ((-56 * ((zext i32 %t to i64) /u 112)) + ((zext i32 %t to i64) /u 2))
ret i64 %zext
}
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