diff options
Diffstat (limited to 'test/CodeGen/ARM/2013-10-11-select-stalls.ll')
| -rw-r--r-- | test/CodeGen/ARM/2013-10-11-select-stalls.ll | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/test/CodeGen/ARM/2013-10-11-select-stalls.ll b/test/CodeGen/ARM/2013-10-11-select-stalls.ll index d6045c7b8c8c..2c15c1a943ba 100644 --- a/test/CodeGen/ARM/2013-10-11-select-stalls.ll +++ b/test/CodeGen/ARM/2013-10-11-select-stalls.ll @@ -1,16 +1,21 @@ ; REQUIRES: asserts -; RUN: llc < %s -mtriple=thumbv7-apple-ios -stats 2>&1 | not grep "Number of pipeline stalls" +; RUN: llc < %s -mtriple=thumbv7-apple-ios -disable-ifcvt-diamond -stats 2>&1 | FileCheck %s ; Evaluate the two vld1.8 instructions in separate MBB's, ; instead of stalling on one and conditionally overwriting its result. +; +; Update: After if-conversion the two vld1.8 instructions are in the same MBB +; again. So we disable this if-conversion to eliminate its influence to this +; test. +; CHECK-NOT: Number of pipeline stalls define <16 x i8> @multiselect(i32 %avail, i8* %foo, i8* %bar) { entry: - %vld1 = call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %foo, i32 1) - %vld2 = call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %bar, i32 1) + %vld1 = call <16 x i8> @llvm.arm.neon.vld1.v16i8.p0i8(i8* %foo, i32 1) + %vld2 = call <16 x i8> @llvm.arm.neon.vld1.v16i8.p0i8(i8* %bar, i32 1) %and = and i32 %avail, 3 %tobool = icmp eq i32 %and, 0 %retv = select i1 %tobool, <16 x i8> %vld1, <16 x i8> %vld2 ret <16 x i8> %retv } -declare <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* , i32 ) +declare <16 x i8> @llvm.arm.neon.vld1.v16i8.p0i8(i8* , i32 ) |