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https://github.com/c64scene-ar/llvm-6502.git
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da39cf486a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201491 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.2 KiB
LLVM
56 lines
1.2 KiB
LLVM
; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test1'
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; CHECK-NOT: (trunc i{{.*}}ext
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define i16 @test1(i8 %x) {
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%A = sext i8 %x to i32
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%B = trunc i32 %A to i16
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ret i16 %B
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}
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test2'
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; CHECK-NOT: (trunc i{{.*}}ext
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define i8 @test2(i16 %x) {
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%A = sext i16 %x to i32
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%B = trunc i32 %A to i8
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ret i8 %B
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}
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test3'
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; CHECK-NOT: (trunc i{{.*}}ext
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define i16 @test3(i16 %x) {
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%A = sext i16 %x to i32
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%B = trunc i32 %A to i16
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ret i16 %B
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}
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test4'
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; CHECK-NOT: (trunc i{{.*}}ext
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define i16 @test4(i8 %x) {
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%A = zext i8 %x to i32
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%B = trunc i32 %A to i16
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ret i16 %B
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}
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test5'
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; CHECK-NOT: (trunc i{{.*}}ext
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define i8 @test5(i16 %x) {
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%A = zext i16 %x to i32
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%B = trunc i32 %A to i8
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ret i8 %B
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}
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; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test6'
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; CHECK-NOT: (trunc i{{.*}}ext
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define i16 @test6(i16 %x) {
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%A = zext i16 %x to i32
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%B = trunc i32 %A to i16
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ret i16 %B
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}
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