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https://github.com/c64scene-ar/llvm-6502.git
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cf47ce616c
The simplify-libcalls pass implemented a doInitialization hook to infer function prototype attributes for well-known functions. Given that the simplify-libcalls pass is going away *and* that the functionattrs pass is already in place to deduce function attributes, I am moving this logic to the functionattrs pass. This approach was discussed during patch review: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121126/157465.html. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177619 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.6 KiB
LLVM
83 lines
2.6 KiB
LLVM
; Test that the strto* library call simplifiers works correctly.
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;
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; RUN: opt < %s -instcombine -functionattrs -S | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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declare i64 @strtol(i8* %s, i8** %endptr, i32 %base)
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; CHECK: declare i64 @strtol(i8*, i8** nocapture, i32)
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declare double @strtod(i8* %s, i8** %endptr, i32 %base)
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; CHECK: declare double @strtod(i8*, i8** nocapture, i32)
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declare float @strtof(i8* %s, i8** %endptr, i32 %base)
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; CHECK: declare float @strtof(i8*, i8** nocapture, i32)
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declare i64 @strtoul(i8* %s, i8** %endptr, i32 %base)
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; CHECK: declare i64 @strtoul(i8*, i8** nocapture, i32)
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declare i64 @strtoll(i8* %s, i8** %endptr, i32 %base)
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; CHECK: declare i64 @strtoll(i8*, i8** nocapture, i32)
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declare double @strtold(i8* %s, i8** %endptr)
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; CHECK: declare double @strtold(i8*, i8** nocapture)
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declare i64 @strtoull(i8* %s, i8** %endptr, i32 %base)
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; CHECK: declare i64 @strtoull(i8*, i8** nocapture, i32)
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define void @test_simplify1(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify1
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call i64 @strtol(i8* %x, i8** null, i32 10)
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; CHECK-NEXT: call i64 @strtol(i8* nocapture %x, i8** null, i32 10)
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ret void
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}
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define void @test_simplify2(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify2
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call double @strtod(i8* %x, i8** null, i32 10)
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; CHECK-NEXT: call double @strtod(i8* nocapture %x, i8** null, i32 10)
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ret void
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}
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define void @test_simplify3(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify3
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call float @strtof(i8* %x, i8** null, i32 10)
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; CHECK-NEXT: call float @strtof(i8* nocapture %x, i8** null, i32 10)
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ret void
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}
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define void @test_simplify4(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify4
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call i64 @strtoul(i8* %x, i8** null, i32 10)
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; CHECK-NEXT: call i64 @strtoul(i8* nocapture %x, i8** null, i32 10)
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ret void
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}
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define void @test_simplify5(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify5
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call i64 @strtoll(i8* %x, i8** null, i32 10)
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; CHECK-NEXT: call i64 @strtoll(i8* nocapture %x, i8** null, i32 10)
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ret void
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}
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define void @test_simplify6(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify6
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call double @strtold(i8* %x, i8** null)
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; CHECK-NEXT: call double @strtold(i8* nocapture %x, i8** null)
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ret void
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}
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define void @test_simplify7(i8* %x, i8** %endptr) {
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; CHECK: @test_simplify7
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call i64 @strtoull(i8* %x, i8** null, i32 10)
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; CHECK-NEXT: call i64 @strtoull(i8* nocapture %x, i8** null, i32 10)
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ret void
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}
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define void @test_no_simplify1(i8* %x, i8** %endptr) {
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; CHECK: @test_no_simplify1
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call i64 @strtol(i8* %x, i8** %endptr, i32 10)
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; CHECK-NEXT: call i64 @strtol(i8* %x, i8** %endptr, i32 10)
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ret void
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}
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