1 files changed, 82 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/strto-1.ll b/llvm/test/Transforms/InstCombine/strto-1.ll
new file mode 100644
index 00000000000..96f36e8d89c
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/strto-1.ll
@@ -0,0 +1,82 @@
+; Test that the strto* library call simplifiers works correctly.
+;
+; RUN: opt < %s -instcombine -inferattrs -S | FileCheck %s
+
+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"
+
+declare i64 @strtol(i8* %s, i8** %endptr, i32 %base)
+; CHECK: declare i64 @strtol(i8* readonly, i8** nocapture, i32)
+
+declare double @strtod(i8* %s, i8** %endptr, i32 %base)
+; CHECK: declare double @strtod(i8* readonly, i8** nocapture, i32)
+
+declare float @strtof(i8* %s, i8** %endptr, i32 %base)
+; CHECK: declare float @strtof(i8* readonly, i8** nocapture, i32)
+
+declare i64 @strtoul(i8* %s, i8** %endptr, i32 %base)
+; CHECK: declare i64 @strtoul(i8* readonly, i8** nocapture, i32)
+
+declare i64 @strtoll(i8* %s, i8** %endptr, i32 %base)
+; CHECK: declare i64 @strtoll(i8* readonly, i8** nocapture, i32)
+
+declare double @strtold(i8* %s, i8** %endptr)
+; CHECK: declare double @strtold(i8* readonly, i8** nocapture)
+
+declare i64 @strtoull(i8* %s, i8** %endptr, i32 %base)
+; CHECK: declare i64 @strtoull(i8* readonly, i8** nocapture, i32)
+
+define void @test_simplify1(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify1(
+  call i64 @strtol(i8* %x, i8** null, i32 10)
+; CHECK-NEXT: call i64 @strtol(i8* nocapture %x, i8** null, i32 10)
+  ret void
+}
+
+define void @test_simplify2(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify2(
+  call double @strtod(i8* %x, i8** null, i32 10)
+; CHECK-NEXT: call double @strtod(i8* nocapture %x, i8** null, i32 10)
+  ret void
+}
+
+define void @test_simplify3(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify3(
+  call float @strtof(i8* %x, i8** null, i32 10)
+; CHECK-NEXT: call float @strtof(i8* nocapture %x, i8** null, i32 10)
+  ret void
+}
+
+define void @test_simplify4(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify4(
+  call i64 @strtoul(i8* %x, i8** null, i32 10)
+; CHECK-NEXT: call i64 @strtoul(i8* nocapture %x, i8** null, i32 10)
+  ret void
+}
+
+define void @test_simplify5(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify5(
+  call i64 @strtoll(i8* %x, i8** null, i32 10)
+; CHECK-NEXT: call i64 @strtoll(i8* nocapture %x, i8** null, i32 10)
+  ret void
+}
+
+define void @test_simplify6(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify6(
+  call double @strtold(i8* %x, i8** null)
+; CHECK-NEXT: call double @strtold(i8* nocapture %x, i8** null)
+  ret void
+}
+
+define void @test_simplify7(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_simplify7(
+  call i64 @strtoull(i8* %x, i8** null, i32 10)
+; CHECK-NEXT: call i64 @strtoull(i8* nocapture %x, i8** null, i32 10)
+  ret void
+}
+
+define void @test_no_simplify1(i8* %x, i8** %endptr) {
+; CHECK-LABEL: @test_no_simplify1(
+  call i64 @strtol(i8* %x, i8** %endptr, i32 10)
+; CHECK-NEXT: call i64 @strtol(i8* %x, i8** %endptr, i32 10)
+  ret void
+}