Revert "R600: Add work-around for the CF stack entry HW bug"

This reverts commit 35b8331cad6eb512a2506adbc394201181da94ba.

The -debug-only flag for llc doesn't appear to be available in
all build configurations.

llvm-svn: 199845

1 files changed, 0 insertions, 225 deletions

diff --git a/llvm/test/CodeGen/R600/cf-stack-bug.ll b/llvm/test/CodeGen/R600/cf-stack-bug.ll
deleted file mode 100644
index 7fa07b11eea..00000000000
--- a/llvm/test/CodeGen/R600/cf-stack-bug.ll
+++ /dev/null
@@ -1,225 +0,0 @@
-; RUN: llc -march=r600 -mcpu=redwood -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=BUG64 --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=sumo -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=BUG64 --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=barts -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=BUG64 --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=turks -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=BUG64 --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=caicos -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=BUG64 --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=cedar -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=BUG32 --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=juniper -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=NOBUG --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=cypress -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=NOBUG --check-prefix=FUNC
-; RUN: llc -march=r600 -mcpu=cayman -debug-only=r600cf %s -o - 2>&1 | FileCheck %s --check-prefix=NOBUG --check-prefix=FUNC
-
-; We are currently allocating 2 extra sub-entries on Evergreen / NI for
-; non-WQM push instructions if we change this to 1, then we will need to
-; add one level of depth to each of these tests.
-
-; BUG64-NOT: Applying bug work-around
-; BUG32-NOT: Applying bug work-around
-; NOBUG-NOT: Applying bug work-around
-; FUNC-LABEL: @nested3
-define void @nested3(i32 addrspace(1)* %out, i32 %cond) {
-entry:
-  %0 = icmp sgt i32 %cond, 0
-  br i1 %0, label %if.1, label %end
-
-if.1:
-  %1 = icmp sgt i32 %cond, 10
-  br i1 %1, label %if.2, label %if.store.1
-
-if.store.1:
-  store i32 1, i32 addrspace(1)* %out
-  br label %end
-
-if.2:
-  %2 = icmp sgt i32 %cond, 20
-  br i1 %2, label %if.3, label %if.2.store
-
-if.2.store:
-  store i32 2, i32 addrspace(1)* %out
-  br label %end
-
-if.3:
-  store i32 3, i32 addrspace(1)* %out
-  br label %end
-
-end:
-  ret void
-}
-
-; BUG64: Applying bug work-around
-; BUG32-NOT: Applying bug work-around
-; NOBUG-NOT: Applying bug work-around
-; FUNC-LABEL: @nested4
-define void @nested4(i32 addrspace(1)* %out, i32 %cond) {
-entry:
-  %0 = icmp sgt i32 %cond, 0
-  br i1 %0, label %if.1, label %end
-
-if.1:
-  %1 = icmp sgt i32 %cond, 10
-  br i1 %1, label %if.2, label %if.1.store
-
-if.1.store:
-  store i32 1, i32 addrspace(1)* %out
-  br label %end
-
-if.2:
-  %2 = icmp sgt i32 %cond, 20
-  br i1 %2, label %if.3, label %if.2.store
-
-if.2.store:
-  store i32 2, i32 addrspace(1)* %out
-  br label %end
-
-if.3:
-  %3 = icmp sgt i32 %cond, 30
-  br i1 %3, label %if.4, label %if.3.store
-
-if.3.store:
-  store i32 3, i32 addrspace(1)* %out
-  br label %end
-
-if.4:
-  store i32 4, i32 addrspace(1)* %out
-  br label %end
-
-end:
-  ret void
-}
-
-; BUG64: Applying bug work-around
-; BUG32-NOT: Applying bug work-around
-; NOBUG-NOT: Applying bug work-around
-; FUNC-LABEL: @nested7
-define void @nested7(i32 addrspace(1)* %out, i32 %cond) {
-entry:
-  %0 = icmp sgt i32 %cond, 0
-  br i1 %0, label %if.1, label %end
-
-if.1:
-  %1 = icmp sgt i32 %cond, 10
-  br i1 %1, label %if.2, label %if.1.store
-
-if.1.store:
-  store i32 1, i32 addrspace(1)* %out
-  br label %end
-
-if.2:
-  %2 = icmp sgt i32 %cond, 20
-  br i1 %2, label %if.3, label %if.2.store
-
-if.2.store:
-  store i32 2, i32 addrspace(1)* %out
-  br label %end
-
-if.3:
-  %3 = icmp sgt i32 %cond, 30
-  br i1 %3, label %if.4, label %if.3.store
-
-if.3.store:
-  store i32 3, i32 addrspace(1)* %out
-  br label %end
-
-if.4:
-  %4 = icmp sgt i32 %cond, 40
-  br i1 %4, label %if.5, label %if.4.store
-
-if.4.store:
-  store i32 4, i32 addrspace(1)* %out
-  br label %end
-
-if.5:
-  %5 = icmp sgt i32 %cond, 50
-  br i1 %5, label %if.6, label %if.5.store
-
-if.5.store:
-  store i32 5, i32 addrspace(1)* %out
-  br label %end
-
-if.6:
-  %6 = icmp sgt i32 %cond, 60
-  br i1 %6, label %if.7, label %if.6.store
-
-if.6.store:
-  store i32 6, i32 addrspace(1)* %out
-  br label %end
-
-if.7:
-  store i32 7, i32 addrspace(1)* %out
-  br label %end
-
-end:
-  ret void
-}
-
-; BUG64: Applying bug work-around
-; BUG32: Applying bug work-around
-; NOBUG-NOT: Applying bug work-around
-; FUNC-LABEL: @nested8
-define void @nested8(i32 addrspace(1)* %out, i32 %cond) {
-entry:
-  %0 = icmp sgt i32 %cond, 0
-  br i1 %0, label %if.1, label %end
-
-if.1:
-  %1 = icmp sgt i32 %cond, 10
-  br i1 %1, label %if.2, label %if.1.store
-
-if.1.store:
-  store i32 1, i32 addrspace(1)* %out
-  br label %end
-
-if.2:
-  %2 = icmp sgt i32 %cond, 20
-  br i1 %2, label %if.3, label %if.2.store
-
-if.2.store:
-  store i32 2, i32 addrspace(1)* %out
-  br label %end
-
-if.3:
-  %3 = icmp sgt i32 %cond, 30
-  br i1 %3, label %if.4, label %if.3.store
-
-if.3.store:
-  store i32 3, i32 addrspace(1)* %out
-  br label %end
-
-if.4:
-  %4 = icmp sgt i32 %cond, 40
-  br i1 %4, label %if.5, label %if.4.store
-
-if.4.store:
-  store i32 4, i32 addrspace(1)* %out
-  br label %end
-
-if.5:
-  %5 = icmp sgt i32 %cond, 50
-  br i1 %5, label %if.6, label %if.5.store
-
-if.5.store:
-  store i32 5, i32 addrspace(1)* %out
-  br label %end
-
-if.6:
-  %6 = icmp sgt i32 %cond, 60
-  br i1 %6, label %if.7, label %if.6.store
-
-if.6.store:
-  store i32 6, i32 addrspace(1)* %out
-  br label %end
-
-if.7:
-  %7 = icmp sgt i32 %cond, 70
-  br i1 %7, label %if.8, label %if.7.store
-
-if.7.store:
-  store i32 7, i32 addrspace(1)* %out
-  br label %end
-
-if.8:
-  store i32 8, i32 addrspace(1)* %out
-  br label %end
-
-end:
-  ret void
-}