276 lines
8.3 KiB
LLVM
276 lines
8.3 KiB
LLVM
; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -hardware-loops %s -S -o - | FileCheck %s
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@g = common local_unnamed_addr global i32* null, align 4
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; CHECK-LABEL: do_with_i32_urem
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; CHECK: entry:
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; CHECK: [[TEST:%[^ ]+]] = call i1 @llvm.test.set.loop.iterations.i32(i32 %n)
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; CHECK: br i1 [[TEST]], label %while.body.preheader, label %while.end
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; CHECK: while.body.preheader:
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; CHECK-NEXT: br label %while.body
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; CHECK: while.body:
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; CHECK: [[REM:%[^ ]+]] = phi i32 [ %n, %while.body.preheader ], [ [[LOOP_DEC:%[^ ]+]], %while.body ]
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; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK: br i1 [[CMP]], label %while.body, label %while.end.loopexit
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define i32 @do_with_i32_urem(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%rem = urem i32 %i.09, 5
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%add = add i32 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i32 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i32 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i32_srem
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; CHECK: entry:
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; CHECK: [[TEST:%[^ ]+]] = call i1 @llvm.test.set.loop.iterations.i32(i32 %n)
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; CHECK: br i1 [[TEST]], label %while.body.preheader, label %while.end
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; CHECK: while.body.preheader:
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; CHECK-NEXT: br label %while.body
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; CHECK: while.body:
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; CHECK: [[REM:%[^ ]+]] = phi i32 [ %n, %while.body.preheader ], [ [[LOOP_DEC:%[^ ]+]], %while.body ]
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; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK: br i1 [[CMP]], label %while.body, label %while.end.loopexit
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define i32 @do_with_i32_srem(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%rem = srem i32 %i.09, 5
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%add = sub i32 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i32 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i32 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i32_udiv
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; CHECK: entry:
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; CHECK: [[TEST:%[^ ]+]] = call i1 @llvm.test.set.loop.iterations.i32(i32 %n)
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; CHECK: br i1 [[TEST]], label %while.body.preheader, label %while.end
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; CHECK: while.body.preheader:
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; CHECK-NEXT: br label %while.body
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; CHECK: while.body:
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; CHECK: [[REM:%[^ ]+]] = phi i32 [ %n, %while.body.preheader ], [ [[LOOP_DEC:%[^ ]+]], %while.body ]
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; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK: br i1 [[CMP]], label %while.body, label %while.end.loopexit
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define i32 @do_with_i32_udiv(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%rem = udiv i32 %i.09, 5
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%add = add i32 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i32 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i32 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i32_sdiv
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; CHECK: entry:
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; CHECK: [[TEST:%[^ ]+]] = call i1 @llvm.test.set.loop.iterations.i32(i32 %n)
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; CHECK: br i1 [[TEST]], label %while.body.preheader, label %while.end
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; CHECK: while.body.preheader:
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; CHECK-NEXT: br label %while.body
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; CHECK: while.body:
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; CHECK: [[REM:%[^ ]+]] = phi i32 [ %n, %while.body.preheader ], [ [[LOOP_DEC:%[^ ]+]], %while.body ]
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; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK: br i1 [[CMP]], label %while.body, label %while.end.loopexit
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define i32 @do_with_i32_sdiv(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%rem = sdiv i32 %i.09, 5
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%add = sub i32 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i32 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i32 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i64_urem
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; CHECK-NOT: llvm.{{.*}}.loop.iterations
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; CHECK-NOT: llvm.loop.decrement
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define i64 @do_with_i64_urem(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i64 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%conv = zext i32 %i.09 to i64
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%rem = urem i64 %conv, 5
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%add = add i64 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i64 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i64 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i64_srem
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; CHECK-NOT: llvm.{{.*}}.loop.iterations
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; CHECK-NOT: llvm.loop.decrement
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define i64 @do_with_i64_srem(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i64 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%conv = zext i32 %i.09 to i64
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%rem = srem i64 %conv, 5
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%add = sub i64 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i64 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i64 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i64_udiv
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; CHECK-NOT: llvm.{{.*}}.loop.iterations
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; CHECK-NOT: llvm.loop.decrement
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define i64 @do_with_i64_udiv(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i64 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%conv = zext i32 %i.09 to i64
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%rem = udiv i64 %conv, 5
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%add = add i64 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i64 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i64 %res.0.lcssa
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}
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; CHECK-LABEL: do_with_i64_sdiv
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; CHECK-NOT: call void @llvm.{{.*}}.loop.iterations
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; CHECK-NOT: call i32 @llvm.loop.decrement
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define i64 @do_with_i64_sdiv(i32 %n) {
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entry:
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%cmp7 = icmp eq i32 %n, 0
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br i1 %cmp7, label %while.end, label %while.body.preheader
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while.body.preheader:
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br label %while.body
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while.body:
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%i.09 = phi i32 [ %inc1, %while.body ], [ 0, %while.body.preheader ]
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%res.08 = phi i64 [ %add, %while.body ], [ 0, %while.body.preheader ]
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%conv = zext i32 %i.09 to i64
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%rem = sdiv i64 %conv, 5
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%add = sub i64 %rem, %res.08
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%inc1 = add nuw i32 %i.09, 1
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%exitcond = icmp eq i32 %inc1, %n
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br i1 %exitcond, label %while.end.loopexit, label %while.body
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while.end.loopexit:
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br label %while.end
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while.end:
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%res.0.lcssa = phi i64 [ 0, %entry ], [ %add, %while.end.loopexit ]
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ret i64 %res.0.lcssa
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}
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