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      1 ; Test that the strto* library call simplifiers works correctly.
      2 ;
      3 ; RUN: opt < %s -instcombine -inferattrs -S | FileCheck %s
      4 
      5 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"
      6 
      7 declare i64 @strtol(i8* %s, i8** %endptr, i32 %base)
      8 ; CHECK: declare i64 @strtol(i8* readonly, i8** nocapture, i32)
      9 
     10 declare double @strtod(i8* %s, i8** %endptr, i32 %base)
     11 ; CHECK: declare double @strtod(i8* readonly, i8** nocapture, i32)
     12 
     13 declare float @strtof(i8* %s, i8** %endptr, i32 %base)
     14 ; CHECK: declare float @strtof(i8* readonly, i8** nocapture, i32)
     15 
     16 declare i64 @strtoul(i8* %s, i8** %endptr, i32 %base)
     17 ; CHECK: declare i64 @strtoul(i8* readonly, i8** nocapture, i32)
     18 
     19 declare i64 @strtoll(i8* %s, i8** %endptr, i32 %base)
     20 ; CHECK: declare i64 @strtoll(i8* readonly, i8** nocapture, i32)
     21 
     22 declare double @strtold(i8* %s, i8** %endptr)
     23 ; CHECK: declare double @strtold(i8* readonly, i8** nocapture)
     24 
     25 declare i64 @strtoull(i8* %s, i8** %endptr, i32 %base)
     26 ; CHECK: declare i64 @strtoull(i8* readonly, i8** nocapture, i32)
     27 
     28 define void @test_simplify1(i8* %x, i8** %endptr) {
     29 ; CHECK-LABEL: @test_simplify1(
     30   call i64 @strtol(i8* %x, i8** null, i32 10)
     31 ; CHECK-NEXT: call i64 @strtol(i8* nocapture %x, i8** null, i32 10)
     32   ret void
     33 }
     34 
     35 define void @test_simplify2(i8* %x, i8** %endptr) {
     36 ; CHECK-LABEL: @test_simplify2(
     37   call double @strtod(i8* %x, i8** null, i32 10)
     38 ; CHECK-NEXT: call double @strtod(i8* nocapture %x, i8** null, i32 10)
     39   ret void
     40 }
     41 
     42 define void @test_simplify3(i8* %x, i8** %endptr) {
     43 ; CHECK-LABEL: @test_simplify3(
     44   call float @strtof(i8* %x, i8** null, i32 10)
     45 ; CHECK-NEXT: call float @strtof(i8* nocapture %x, i8** null, i32 10)
     46   ret void
     47 }
     48 
     49 define void @test_simplify4(i8* %x, i8** %endptr) {
     50 ; CHECK-LABEL: @test_simplify4(
     51   call i64 @strtoul(i8* %x, i8** null, i32 10)
     52 ; CHECK-NEXT: call i64 @strtoul(i8* nocapture %x, i8** null, i32 10)
     53   ret void
     54 }
     55 
     56 define void @test_simplify5(i8* %x, i8** %endptr) {
     57 ; CHECK-LABEL: @test_simplify5(
     58   call i64 @strtoll(i8* %x, i8** null, i32 10)
     59 ; CHECK-NEXT: call i64 @strtoll(i8* nocapture %x, i8** null, i32 10)
     60   ret void
     61 }
     62 
     63 define void @test_simplify6(i8* %x, i8** %endptr) {
     64 ; CHECK-LABEL: @test_simplify6(
     65   call double @strtold(i8* %x, i8** null)
     66 ; CHECK-NEXT: call double @strtold(i8* nocapture %x, i8** null)
     67   ret void
     68 }
     69 
     70 define void @test_simplify7(i8* %x, i8** %endptr) {
     71 ; CHECK-LABEL: @test_simplify7(
     72   call i64 @strtoull(i8* %x, i8** null, i32 10)
     73 ; CHECK-NEXT: call i64 @strtoull(i8* nocapture %x, i8** null, i32 10)
     74   ret void
     75 }
     76 
     77 define void @test_no_simplify1(i8* %x, i8** %endptr) {
     78 ; CHECK-LABEL: @test_no_simplify1(
     79   call i64 @strtol(i8* %x, i8** %endptr, i32 10)
     80 ; CHECK-NEXT: call i64 @strtol(i8* %x, i8** %endptr, i32 10)
     81   ret void
     82 }
     83