Add fake use to suppress defined-but-unused warnings

[oota-llvm.git] / test / Feature / intrinsics.ll

diff --git a/test/Feature/intrinsics.ll b/test/Feature/intrinsics.ll
index 2dd6b53e7c99000138c0d0b13e20ae64cafaf4c5..278cb9564e6291b02eff3b310045bd1a0b5b1a99 100644 (file)
--- a/test/Feature/intrinsics.ll
+++ b/test/Feature/intrinsics.ll
@@ -1,12 +1,12 @@
 ; RUN: llvm-as < %s | llvm-dis > %t1.ll
 ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
 ; RUN: diff %t1.ll %t2.ll
+; RUN: FileCheck %s < %t1.ll
 
 declare i1 @llvm.isunordered.f32(float, float)
 
 declare i1 @llvm.isunordered.f64(double, double)
 
-declare void @llvm.prefetch(i8*, i32, i32)
 
 declare i8 @llvm.ctpop.i8(i8)
 
@@ -16,21 +16,21 @@ declare i32 @llvm.ctpop.i32(i32)
 
 declare i64 @llvm.ctpop.i64(i64)
 
-declare i8 @llvm.cttz.i8(i8)
+declare i8 @llvm.cttz.i8(i8, i1)
 
-declare i16 @llvm.cttz.i16(i16)
+declare i16 @llvm.cttz.i16(i16, i1)
 
-declare i32 @llvm.cttz.i32(i32)
+declare i32 @llvm.cttz.i32(i32, i1)
 
-declare i64 @llvm.cttz.i64(i64)
+declare i64 @llvm.cttz.i64(i64, i1)
 
-declare i8 @llvm.ctlz.i8(i8)
+declare i8 @llvm.ctlz.i8(i8, i1)
 
-declare i16 @llvm.ctlz.i16(i16)
+declare i16 @llvm.ctlz.i16(i16, i1)
 
-declare i32 @llvm.ctlz.i32(i32)
+declare i32 @llvm.ctlz.i32(i32, i1)
 
-declare i64 @llvm.ctlz.i64(i64)
+declare i64 @llvm.ctlz.i64(i64, i1)
 
 declare float @llvm.sqrt.f32(float)
 
@@ -41,22 +41,33 @@ declare double @llvm.sqrt.f64(double)
 define void @libm() {
         fcmp uno float 1.000000e+00, 2.000000e+00               ; <i1>:1 [#uses=0]
         fcmp uno double 3.000000e+00, 4.000000e+00              ; <i1>:2 [#uses=0]
-        call void @llvm.prefetch( i8* null, i32 1, i32 3 )
         call float @llvm.sqrt.f32( float 5.000000e+00 )         ; <float>:3 [#uses=0]
         call double @llvm.sqrt.f64( double 6.000000e+00 )               ; <double>:4 [#uses=0]
         call i8  @llvm.ctpop.i8( i8 10 )                ; <i32>:5 [#uses=0]
         call i16 @llvm.ctpop.i16( i16 11 )              ; <i32>:6 [#uses=0]
         call i32 @llvm.ctpop.i32( i32 12 )              ; <i32>:7 [#uses=0]
         call i64 @llvm.ctpop.i64( i64 13 )              ; <i32>:8 [#uses=0]
-        call i8  @llvm.ctlz.i8( i8 14 )         ; <i32>:9 [#uses=0]
-        call i16 @llvm.ctlz.i16( i16 15 )               ; <i32>:10 [#uses=0]
-        call i32 @llvm.ctlz.i32( i32 16 )               ; <i32>:11 [#uses=0]
-        call i64 @llvm.ctlz.i64( i64 17 )               ; <i32>:12 [#uses=0]
-        call i8  @llvm.cttz.i8( i8 18 )         ; <i32>:13 [#uses=0]
-        call i16 @llvm.cttz.i16( i16 19 )               ; <i32>:14 [#uses=0]
-        call i32 @llvm.cttz.i32( i32 20 )               ; <i32>:15 [#uses=0]
-        call i64 @llvm.cttz.i64( i64 21 )               ; <i32>:16 [#uses=0]
+        call i8  @llvm.ctlz.i8( i8 14, i1 true )         ; <i32>:9 [#uses=0]
+        call i16 @llvm.ctlz.i16( i16 15, i1 true )               ; <i32>:10 [#uses=0]
+        call i32 @llvm.ctlz.i32( i32 16, i1 true )               ; <i32>:11 [#uses=0]
+        call i64 @llvm.ctlz.i64( i64 17, i1 true )               ; <i32>:12 [#uses=0]
+        call i8  @llvm.cttz.i8( i8 18, i1 true )         ; <i32>:13 [#uses=0]
+        call i16 @llvm.cttz.i16( i16 19, i1 true )               ; <i32>:14 [#uses=0]
+        call i32 @llvm.cttz.i32( i32 20, i1 true )               ; <i32>:15 [#uses=0]
+        call i64 @llvm.cttz.i64( i64 21, i1 true )               ; <i32>:16 [#uses=0]
         ret void
 }
 
 ; FIXME: test ALL the intrinsics in this file.
+
+; rdar://11542750
+; CHECK: declare void @llvm.trap() #1
+declare void @llvm.trap()
+
+define void @trap() {
+  call void @llvm.trap()
+  ret void
+}
+
+; CHECK: attributes #0 = { nounwind readnone }
+; CHECK: attributes #1 = { noreturn nounwind }