1 files changed, 0 insertions, 57 deletions
diff --git a/llvm/test/Transforms/InstCombine/trunc.ll b/llvm/test/Transforms/InstCombine/trunc.ll
index 63c25145f7a..2019b3a6df4 100644
--- a/llvm/test/Transforms/InstCombine/trunc.ll
+++ b/llvm/test/Transforms/InstCombine/trunc.ll
@@ -181,60 +181,3 @@ bb1:
 bb2:
   unreachable
 }
-
-declare void @consume(i8) readonly
-define i1 @trunc_load_store(i8* align 2 %a) {
-  store i8 0, i8 *%a, align 2
-  %bca  = bitcast i8* %a to i16*
-  %wide.load = load i16, i16* %bca, align 2
-  %lowhalf.1 = trunc i16 %wide.load to i8
-  call void @consume(i8 %lowhalf.1)
-  %cmp.2 = icmp ult i16 %wide.load, 256
-  ret i1 %cmp.2
-; CHECK-LABEL: @trunc_load_store
-; CHECK-NOT: trunc
-; CHECK: call void @consume(i8 0)
-}
-
-
-; The trunc can be replaced with the load value.
-define i1 @trunc_load_load(i8* align 2 %a) {
-  %pload = load i8, i8* %a, align 2
-  %bca  = bitcast i8* %a to i16*
-  %wide.load = load i16, i16* %bca, align 2
-  %lowhalf = trunc i16 %wide.load to i8
-  call void @consume(i8 %lowhalf)
-  call void @consume(i8 %pload)
-  %cmp.2 = icmp ult i16 %wide.load, 256
-  ret i1 %cmp.2
-; CHECK-LABEL: @trunc_load_load
-; CHECK-NOT: trunc
-}
-
-; trunc should not be replaced since atomic load %wide.load has more than one use.
-; different values can be seen by the uses of %wide.load in case of race.
-define i1 @trunc_atomic_loads(i8* align 2 %a) {
-  %pload = load atomic i8, i8* %a unordered, align 2
-  %bca  = bitcast i8* %a to i16*
-  %wide.load = load atomic i16, i16* %bca unordered, align 2
-  %lowhalf = trunc i16 %wide.load to i8
-  call void @consume(i8 %lowhalf)
-  call void @consume(i8 %pload)
-  %cmp.2 = icmp ult i16 %wide.load, 256
-  ret i1 %cmp.2
-; CHECK-LABEL: @trunc_atomic_loads
-; CHECK: trunc
-}
-
-; trunc cannot be replaced since store size is not trunc result size
-define i1 @trunc_different_size_load(i16 * align 2 %a) {
-  store i16 0, i16 *%a, align 2
-  %bca  = bitcast i16* %a to i32*
-  %wide.load = load i32, i32* %bca, align 2
-  %lowhalf = trunc i32 %wide.load to i8
-  call void @consume(i8 %lowhalf)
-  %cmp.2 = icmp ult i32 %wide.load, 256
-  ret i1 %cmp.2
-; CHECK-LABEL: @trunc_different_size_load
-; CHECK: %lowhalf = trunc i32 %wide.load to i8
-}