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; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
; Check that we convert
; trunc(C * a) -> trunc(C) * trunc(a)
; if C is a constant.
; CHECK-LABEL: @trunc_of_mul
define i8 @trunc_of_mul(i32 %a) {
%b = mul i32 %a, 100
; CHECK: %c
; CHECK-NEXT: --> (100 * (trunc i32 %a to i8))
%c = trunc i32 %b to i8
ret i8 %c
}
; Check that we convert
; trunc(C + a) -> trunc(C) + trunc(a)
; if C is a constant.
; CHECK-LABEL: @trunc_of_add
define i8 @trunc_of_add(i32 %a) {
%b = add i32 %a, 100
; CHECK: %c
; CHECK-NEXT: --> (100 + (trunc i32 %a to i8))
%c = trunc i32 %b to i8
ret i8 %c
}
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