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25 lines
448 B
LLVM
25 lines
448 B
LLVM
; RUN: opt -analyze -scalar-evolution %s -S | FileCheck %s
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define i16 @test1(i8 %x) {
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%A = zext i8 %x to i12
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%B = sext i12 %A to i16
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; CHECK: zext i8 %x to i16
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ret i16 %B
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}
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define i8 @test2(i8 %x) {
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%A = zext i8 %x to i16
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%B = add i16 %A, 1025
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%C = trunc i16 %B to i8
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; CHECK: (1 + %x)
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ret i8 %C
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}
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define i8 @test3(i8 %x) {
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%A = zext i8 %x to i16
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%B = mul i16 %A, 1027
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%C = trunc i16 %B to i8
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; CHECK: (3 * %x)
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ret i8 %C
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}
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