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llvm-project/llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll

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Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
; RUN: opt -S -structurizecfg %s -o - | FileCheck %s
; CHECK-NOT: br i1 true
define void @blam(i32 addrspace(1)* nocapture %arg, float %arg1, float %arg2) {
; CHECK: bb:
bb:
br label %bb3
; CHECK: bb3:
[Local] Prevent `invertCondition` from creating a redundant instruction Prevent `invertCondition` from creating the inversion instruction, in case the given value is an argument which has already been inverted. Note that this approach has already been taken in case the given value is an instruction (and not an argument). Differential Revision: https://reviews.llvm.org/D80399
2020-05-30 02:07:48 +08:00
; CHECK: %tmp4.inv = xor i1 %tmp4, true
; CHECK: br i1 %tmp4.inv, label %bb5, label %Flow
Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
bb3: ; preds = %bb7, %bb
%tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
%tmp4 = fcmp ult float %arg1, 3.500000e+00
br i1 %tmp4, label %bb7, label %bb5
; CHECK: bb5:
[Local] Prevent `invertCondition` from creating a redundant instruction Prevent `invertCondition` from creating the inversion instruction, in case the given value is an argument which has already been inverted. Note that this approach has already been taken in case the given value is an instruction (and not an argument). Differential Revision: https://reviews.llvm.org/D80399
2020-05-30 02:07:48 +08:00
; CHECK: %tmp6.inv = xor i1 %tmp6, true
Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
; CHECK: br label %Flow
bb5: ; preds = %bb3
%tmp6 = fcmp olt float 0.000000e+00, %arg2
br i1 %tmp6, label %bb10, label %bb7
; CHECK: Flow:
[Local] Prevent `invertCondition` from creating a redundant instruction Prevent `invertCondition` from creating the inversion instruction, in case the given value is an argument which has already been inverted. Note that this approach has already been taken in case the given value is an instruction (and not an argument). Differential Revision: https://reviews.llvm.org/D80399
2020-05-30 02:07:48 +08:00
; CHECK: %0 = phi i1 [ %tmp6.inv, %bb5 ], [ %tmp4, %bb3 ]
; CHECK: br i1 %0, label %bb7, label %Flow1
Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
; CHECK: bb7:
; CHECK: br label %Flow1
bb7: ; preds = %bb5, %bb3
%tmp8 = add nuw nsw i64 %tmp, 1
%tmp9 = icmp slt i64 %tmp8, 5
br i1 %tmp9, label %bb3, label %bb10
; CHECK: Flow1:
[Local] Prevent `invertCondition` from creating a redundant instruction Prevent `invertCondition` from creating the inversion instruction, in case the given value is an argument which has already been inverted. Note that this approach has already been taken in case the given value is an instruction (and not an argument). Differential Revision: https://reviews.llvm.org/D80399
2020-05-30 02:07:48 +08:00
; CHECK: %3 = phi i1 [ %tmp9.inv, %bb7 ], [ true, %Flow ]
; CHECK: br i1 %3, label %bb10, label %bb3
Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
; CHECK: bb10:
bb10: ; preds = %bb7, %bb5
%tmp11 = phi i32 [ 15, %bb5 ], [ 255, %bb7 ]
store i32 %tmp11, i32 addrspace(1)* %arg, align 4
ret void
}